diff --git a/index.html b/index.html
index 1e31e36c..de20301f 100644
--- a/index.html
+++ b/index.html
@@ -163,7 +163,7 @@
.mdn .samsunginternet_android::before{background-image:url(https://www.w3.org/assets/logos/browser-logos/samsung-internet/samsung-internet.svg)}
.mdn .webview_android::before{background-image:url(https://www.w3.org/assets/logos/browser-logos/android-webview/android-webview.png)}
-
+
@@ -905,6 +905,8 @@ Web Application Manifest
Strip leading and trailing ASCII whitespace from
json["dir"].
+ ASCII lowercase json["dir"].
+
If text-direction list doesn't contain
json["dir"], return.
@@ -1297,6 +1299,8 @@ Web Application Manifest
Strip leading and trailing ASCII whitespace from
json["display"].
+ ASCII lowercase json["display"].
+
If display modes list doesn't contain
json["display"], return.
@@ -1401,6 +1405,8 @@ Web Application Manifest
Strip leading and trailing ASCII whitespace from
json["orientation"].
+ ASCII lowercase json["orientation"].
+
If json["orientation"] doesn't contain any of the
orientation values, return.
@@ -4650,6 +4656,8 @@ Web Application Manifest
append (for set)
Append (for list)
+
+ ASCII lowercase
boolean type
@@ -6791,6 +6799,22 @@ Web Application Manifest
§ 2.5 Processing image resources
+
+