diff --git a/classes/chillerlan-OAuth-Providers-Google.html b/classes/chillerlan-OAuth-Providers-Google.html
index a26c6a5..e7cacc8 100644
--- a/classes/chillerlan-OAuth-Providers-Google.html
+++ b/classes/chillerlan-OAuth-Providers-Google.html
@@ -140,7 +140,7 @@ <h2 class="phpdocumentor-content__title">
     
             <span class="phpdocumentor-element__implements">
             implements
-                            <a href="classes/chillerlan-OAuth-Core-CSRFToken.html"><abbr title="\chillerlan\OAuth\Core\CSRFToken">CSRFToken</abbr></a>,                             <a href="classes/chillerlan-OAuth-Core-UserInfo.html"><abbr title="\chillerlan\OAuth\Core\UserInfo">UserInfo</abbr></a>                    </span>
+                            <a href="classes/chillerlan-OAuth-Core-CSRFToken.html"><abbr title="\chillerlan\OAuth\Core\CSRFToken">CSRFToken</abbr></a>,                             <a href="classes/chillerlan-OAuth-Core-PKCE.html"><abbr title="\chillerlan\OAuth\Core\PKCE">PKCE</abbr></a>,                             <a href="classes/chillerlan-OAuth-Core-TokenInvalidate.html"><abbr title="\chillerlan\OAuth\Core\TokenInvalidate">TokenInvalidate</abbr></a>,                             <a href="classes/chillerlan-OAuth-Core-UserInfo.html"><abbr title="\chillerlan\OAuth\Core\UserInfo">UserInfo</abbr></a>                    </span>
     
     </h2>
 
@@ -208,7 +208,7 @@ <h4 id="toc-interfaces">
 
     </h4>
     <dl class="phpdocumentor-table-of-contents">
-                    <dt class="phpdocumentor-table-of-contents__entry -interface"><a href="classes/chillerlan-OAuth-Core-CSRFToken.html"><abbr title="\chillerlan\OAuth\Core\CSRFToken">CSRFToken</abbr></a></dt><dd>Specifies the methods required for the OAuth2 CSRF token validation (&quot;state parameter&quot;)</dd>            <dt class="phpdocumentor-table-of-contents__entry -interface"><a href="classes/chillerlan-OAuth-Core-UserInfo.html"><abbr title="\chillerlan\OAuth\Core\UserInfo">UserInfo</abbr></a></dt><dd>Indicates whether the service can provide information about the currently authenticated user,
+                    <dt class="phpdocumentor-table-of-contents__entry -interface"><a href="classes/chillerlan-OAuth-Core-CSRFToken.html"><abbr title="\chillerlan\OAuth\Core\CSRFToken">CSRFToken</abbr></a></dt><dd>Specifies the methods required for the OAuth2 CSRF token validation (&quot;state parameter&quot;)</dd>            <dt class="phpdocumentor-table-of-contents__entry -interface"><a href="classes/chillerlan-OAuth-Core-PKCE.html"><abbr title="\chillerlan\OAuth\Core\PKCE">PKCE</abbr></a></dt><dd>Specifies the methods required for the OAuth2 Proof Key for Code Exchange (PKCE)</dd>            <dt class="phpdocumentor-table-of-contents__entry -interface"><a href="classes/chillerlan-OAuth-Core-TokenInvalidate.html"><abbr title="\chillerlan\OAuth\Core\TokenInvalidate">TokenInvalidate</abbr></a></dt><dd>Indicates whether the provider is capable of invalidating access tokens (RFC-7009 or proprietary)</dd>            <dt class="phpdocumentor-table-of-contents__entry -interface"><a href="classes/chillerlan-OAuth-Core-UserInfo.html"><abbr title="\chillerlan\OAuth\Core\UserInfo">UserInfo</abbr></a></dt><dd>Indicates whether the service can provide information about the currently authenticated user,
 usually via a &quot;/me&quot;, &quot;/user&quot; or &quot;/tokeninfo&quot; endpoint.</dd>    </dl>
 
 
@@ -352,11 +352,10 @@ <h4 id="toc-properties">
 <dd>A PSR-17 request factory</dd>
 
             <dt class="phpdocumentor-table-of-contents__entry -property -protected">
-    <a class="" href="classes/chillerlan-OAuth-Core-OAuthProvider.html#property_revokeURL">$revokeURL</a>
+    <a class="" href="classes/chillerlan-OAuth-Providers-Google.html#property_revokeURL">$revokeURL</a>
     <span>
                         &nbsp;: string            </span>
 </dt>
-<dd>An optional URL for application side token revocation</dd>
 
             <dt class="phpdocumentor-table-of-contents__entry -property -protected">
     <a class="" href="classes/chillerlan-OAuth-Core-OAuthProvider.html#property_storage">$storage</a>
@@ -1009,7 +1008,7 @@ <h4 class="phpdocumentor-element__name" id="property_accessTokenURL">
     <span class="phpdocumentor-signature__visibility">protected</span>
         <span class="phpdocumentor-signature__type">string</span>
     <span class="phpdocumentor-signature__name">$accessTokenURL</span>
-     = <span class="phpdocumentor-signature__default-value">&#039;https://accounts.google.com/o/oauth2/token&#039;</span></code>
+     = <span class="phpdocumentor-signature__default-value">&#039;https://oauth2.googleapis.com/token&#039;</span></code>
 
     
     
@@ -1035,7 +1034,7 @@ <h4 class="phpdocumentor-element__name" id="property_apiDocs">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Providers/Google.php"><a href="files/src-providers-google.html"><abbr title="src/Providers/Google.php">Google.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">43</span>
+    <span class="phpdocumentor-element-found-in__line">44</span>
 
     </aside>
 
@@ -1071,7 +1070,7 @@ <h4 class="phpdocumentor-element__name" id="property_apiURL">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Providers/Google.php"><a href="files/src-providers-google.html"><abbr title="src/Providers/Google.php">Google.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">41</span>
+    <span class="phpdocumentor-element-found-in__line">42</span>
 
     </aside>
 
@@ -1107,7 +1106,7 @@ <h4 class="phpdocumentor-element__name" id="property_applicationURL">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Providers/Google.php"><a href="files/src-providers-google.html"><abbr title="src/Providers/Google.php">Google.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">44</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -1524,46 +1523,29 @@ <h4 class="phpdocumentor-element__name" id="property_requestFactory">
 >
     <h4 class="phpdocumentor-element__name" id="property_revokeURL">
         $revokeURL
-        <a href="classes/chillerlan-OAuth-Core-OAuthProvider.html#property_revokeURL" class="headerlink"><i class="fas fa-link"></i></a>
+        <a href="classes/chillerlan-OAuth-Providers-Google.html#property_revokeURL" class="headerlink"><i class="fas fa-link"></i></a>
 
         <span class="phpdocumentor-element__modifiers">
                                 </span>
     </h4>
     <aside class="phpdocumentor-element-found-in">
-    <abbr class="phpdocumentor-element-found-in__file" title="src/Core/OAuthProvider.php"><a href="files/src-core-oauthprovider.html"><abbr title="src/Core/OAuthProvider.php">OAuthProvider.php</abbr></a></abbr>
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Providers/Google.php"><a href="files/src-providers-google.html"><abbr title="src/Providers/Google.php">Google.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">89</span>
+    <span class="phpdocumentor-element-found-in__line">41</span>
 
-            <a href="classes/chillerlan-OAuth-Providers-Google.html#source-view.89" class="phpdocumentor-element-found-in__source" data-line="89" data-modal="source-view" data-src="files/src/Core/OAuthProvider.php.txt"></a>
     </aside>
 
-        <p class="phpdocumentor-summary">An optional URL for application side token revocation</p>
-
+    
     
     <code class="phpdocumentor-code phpdocumentor-signature ">
     <span class="phpdocumentor-signature__visibility">protected</span>
         <span class="phpdocumentor-signature__type">string</span>
     <span class="phpdocumentor-signature__name">$revokeURL</span>
-     = <span class="phpdocumentor-signature__default-value">&#039;&#039;</span></code>
+     = <span class="phpdocumentor-signature__default-value">&#039;https://oauth2.googleapis.com/revoke&#039;</span></code>
 
     
     
     
-    <h5 class="phpdocumentor-tag-list__heading" id="tags">
-        Tags
-        <a href="classes/chillerlan-OAuth-Core-OAuthProvider.html#property_revokeURL#tags" class="headerlink"><i class="fas fa-link"></i></a>
-
-    </h5>
-    <dl class="phpdocumentor-tag-list">
-                                    <dt class="phpdocumentor-tag-list__entry">
-                    <span class="phpdocumentor-tag__name">see</span>
-                </dt>
-                <dd class="phpdocumentor-tag-list__definition">
-                                                                                    <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-OAuth-Core-TokenInvalidate.html"><abbr title="\chillerlan\OAuth\Core\TokenInvalidate">TokenInvalidate</abbr></a></span>
-                                        
-                                             
-                                    </dd>
-                                            </dl>
 
     
 
@@ -1699,7 +1681,7 @@ <h4 class="phpdocumentor-element__name" id="property_userRevokeURL">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Providers/Google.php"><a href="files/src-providers-google.html"><abbr title="src/Providers/Google.php">Google.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">43</span>
 
     </aside>
 
@@ -2889,7 +2871,7 @@ <h4 class="phpdocumentor-element__name" id="method_me">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Providers/Google.php"><a href="files/src-providers-google.html"><abbr title="src/Providers/Google.php">Google.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">48</span>
 
     </aside>
 
@@ -5532,7 +5514,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                                     <li class=""><a href="classes/chillerlan-OAuth-Core-OAuth2Provider.html#property_parAuthorizationURL">$parAuthorizationURL</a></li>
                                                     <li class=""><a href="classes/chillerlan-OAuth-Core-OAuth2Provider.html#property_refreshTokenURL">$refreshTokenURL</a></li>
                                                     <li class=""><a href="classes/chillerlan-OAuth-Core-OAuthProvider.html#property_requestFactory">$requestFactory</a></li>
-                                                    <li class=""><a href="classes/chillerlan-OAuth-Core-OAuthProvider.html#property_revokeURL">$revokeURL</a></li>
+                                                    <li class=""><a href="classes/chillerlan-OAuth-Providers-Google.html#property_revokeURL">$revokeURL</a></li>
                                                     <li class=""><a href="classes/chillerlan-OAuth-Core-OAuthProvider.html#property_storage">$storage</a></li>
                                                     <li class=""><a href="classes/chillerlan-OAuth-Core-OAuthProvider.html#property_streamFactory">$streamFactory</a></li>
                                                     <li class=""><a href="classes/chillerlan-OAuth-Core-OAuthProvider.html#property_uriFactory">$uriFactory</a></li>
diff --git a/classes/chillerlan-OAuth-Providers-YouTube.html b/classes/chillerlan-OAuth-Providers-YouTube.html
index 5d073eb..e4f3ec1 100644
--- a/classes/chillerlan-OAuth-Providers-YouTube.html
+++ b/classes/chillerlan-OAuth-Providers-YouTube.html
@@ -339,11 +339,10 @@ <h4 id="toc-properties">
 <dd>A PSR-17 request factory</dd>
 
             <dt class="phpdocumentor-table-of-contents__entry -property -protected">
-    <a class="" href="classes/chillerlan-OAuth-Core-OAuthProvider.html#property_revokeURL">$revokeURL</a>
+    <a class="" href="classes/chillerlan-OAuth-Providers-Google.html#property_revokeURL">$revokeURL</a>
     <span>
                         &nbsp;: string            </span>
 </dt>
-<dd>An optional URL for application side token revocation</dd>
 
             <dt class="phpdocumentor-table-of-contents__entry -property -protected">
     <a class="" href="classes/chillerlan-OAuth-Core-OAuthProvider.html#property_storage">$storage</a>
@@ -1058,7 +1057,7 @@ <h4 class="phpdocumentor-element__name" id="property_accessTokenURL">
     <span class="phpdocumentor-signature__visibility">protected</span>
         <span class="phpdocumentor-signature__type">string</span>
     <span class="phpdocumentor-signature__name">$accessTokenURL</span>
-     = <span class="phpdocumentor-signature__default-value">&#039;https://accounts.google.com/o/oauth2/token&#039;</span></code>
+     = <span class="phpdocumentor-signature__default-value">&#039;https://oauth2.googleapis.com/token&#039;</span></code>
 
     
     
@@ -1084,7 +1083,7 @@ <h4 class="phpdocumentor-element__name" id="property_apiDocs">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Providers/Google.php"><a href="files/src-providers-google.html"><abbr title="src/Providers/Google.php">Google.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">43</span>
+    <span class="phpdocumentor-element-found-in__line">44</span>
 
     </aside>
 
@@ -1120,7 +1119,7 @@ <h4 class="phpdocumentor-element__name" id="property_apiURL">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Providers/Google.php"><a href="files/src-providers-google.html"><abbr title="src/Providers/Google.php">Google.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">41</span>
+    <span class="phpdocumentor-element-found-in__line">42</span>
 
     </aside>
 
@@ -1156,7 +1155,7 @@ <h4 class="phpdocumentor-element__name" id="property_applicationURL">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Providers/Google.php"><a href="files/src-providers-google.html"><abbr title="src/Providers/Google.php">Google.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">44</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -1573,46 +1572,29 @@ <h4 class="phpdocumentor-element__name" id="property_requestFactory">
 >
     <h4 class="phpdocumentor-element__name" id="property_revokeURL">
         $revokeURL
-        <a href="classes/chillerlan-OAuth-Core-OAuthProvider.html#property_revokeURL" class="headerlink"><i class="fas fa-link"></i></a>
+        <a href="classes/chillerlan-OAuth-Providers-Google.html#property_revokeURL" class="headerlink"><i class="fas fa-link"></i></a>
 
         <span class="phpdocumentor-element__modifiers">
                                 </span>
     </h4>
     <aside class="phpdocumentor-element-found-in">
-    <abbr class="phpdocumentor-element-found-in__file" title="src/Core/OAuthProvider.php"><a href="files/src-core-oauthprovider.html"><abbr title="src/Core/OAuthProvider.php">OAuthProvider.php</abbr></a></abbr>
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Providers/Google.php"><a href="files/src-providers-google.html"><abbr title="src/Providers/Google.php">Google.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">89</span>
+    <span class="phpdocumentor-element-found-in__line">41</span>
 
-            <a href="classes/chillerlan-OAuth-Providers-YouTube.html#source-view.89" class="phpdocumentor-element-found-in__source" data-line="89" data-modal="source-view" data-src="files/src/Core/OAuthProvider.php.txt"></a>
     </aside>
 
-        <p class="phpdocumentor-summary">An optional URL for application side token revocation</p>
-
+    
     
     <code class="phpdocumentor-code phpdocumentor-signature ">
     <span class="phpdocumentor-signature__visibility">protected</span>
         <span class="phpdocumentor-signature__type">string</span>
     <span class="phpdocumentor-signature__name">$revokeURL</span>
-     = <span class="phpdocumentor-signature__default-value">&#039;&#039;</span></code>
+     = <span class="phpdocumentor-signature__default-value">&#039;https://oauth2.googleapis.com/revoke&#039;</span></code>
 
     
     
     
-    <h5 class="phpdocumentor-tag-list__heading" id="tags">
-        Tags
-        <a href="classes/chillerlan-OAuth-Core-OAuthProvider.html#property_revokeURL#tags" class="headerlink"><i class="fas fa-link"></i></a>
-
-    </h5>
-    <dl class="phpdocumentor-tag-list">
-                                    <dt class="phpdocumentor-tag-list__entry">
-                    <span class="phpdocumentor-tag__name">see</span>
-                </dt>
-                <dd class="phpdocumentor-tag-list__definition">
-                                                                                    <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-OAuth-Core-TokenInvalidate.html"><abbr title="\chillerlan\OAuth\Core\TokenInvalidate">TokenInvalidate</abbr></a></span>
-                                        
-                                             
-                                    </dd>
-                                            </dl>
 
     
 
@@ -1748,7 +1730,7 @@ <h4 class="phpdocumentor-element__name" id="property_userRevokeURL">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Providers/Google.php"><a href="files/src-providers-google.html"><abbr title="src/Providers/Google.php">Google.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">43</span>
 
     </aside>
 
@@ -2938,7 +2920,7 @@ <h4 class="phpdocumentor-element__name" id="method_me">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Providers/Google.php"><a href="files/src-providers-google.html"><abbr title="src/Providers/Google.php">Google.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">48</span>
 
     </aside>
 
@@ -5583,7 +5565,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                                     <li class=""><a href="classes/chillerlan-OAuth-Core-OAuth2Provider.html#property_parAuthorizationURL">$parAuthorizationURL</a></li>
                                                     <li class=""><a href="classes/chillerlan-OAuth-Core-OAuth2Provider.html#property_refreshTokenURL">$refreshTokenURL</a></li>
                                                     <li class=""><a href="classes/chillerlan-OAuth-Core-OAuthProvider.html#property_requestFactory">$requestFactory</a></li>
-                                                    <li class=""><a href="classes/chillerlan-OAuth-Core-OAuthProvider.html#property_revokeURL">$revokeURL</a></li>
+                                                    <li class=""><a href="classes/chillerlan-OAuth-Providers-Google.html#property_revokeURL">$revokeURL</a></li>
                                                     <li class=""><a href="classes/chillerlan-OAuth-Core-OAuthProvider.html#property_storage">$storage</a></li>
                                                     <li class=""><a href="classes/chillerlan-OAuth-Core-OAuthProvider.html#property_streamFactory">$streamFactory</a></li>
                                                     <li class=""><a href="classes/chillerlan-OAuth-Core-OAuthProvider.html#property_uriFactory">$uriFactory</a></li>
diff --git a/js/searchIndex.js b/js/searchIndex.js
index 06506b1..29407ac 100644
--- a/js/searchIndex.js
+++ b/js/searchIndex.js
@@ -2575,6 +2575,11 @@ Search.appendIndex(
             "name": "accessTokenURL",
             "summary": "",
             "url": "classes/chillerlan-OAuth-Providers-Google.html#property_accessTokenURL"
+        },                {
+            "fqsen": "\\chillerlan\\OAuth\\Providers\\Google\u003A\u003A\u0024revokeURL",
+            "name": "revokeURL",
+            "summary": "",
+            "url": "classes/chillerlan-OAuth-Providers-Google.html#property_revokeURL"
         },                {
             "fqsen": "\\chillerlan\\OAuth\\Providers\\Google\u003A\u003A\u0024apiURL",
             "name": "apiURL",