diff --git a/vocabularies/Org.OData.Aggregation.V1.json b/vocabularies/Org.OData.Aggregation.V1.json
index 628bf3d0..89d59202 100644
--- a/vocabularies/Org.OData.Aggregation.V1.json
+++ b/vocabularies/Org.OData.Aggregation.V1.json
@@ -29,7 +29,7 @@
     "Org.OData.Aggregation.V1": {
         "$Alias": "Aggregation",
         "@Core.Description": "Terms to describe which data in a given entity model can be aggregated, and how.",
-        "@Core.LongDescription": "Related to the specfication document [OData-Data-Agg-v4.0](http://docs.oasis-open.org/odata/odata-data-aggregation-ext/v4.0/odata-data-aggregation-ext-v4.0.html).",
+        "@Core.LongDescription": "Related to the specification document [OData-Data-Agg-v4.0](http://docs.oasis-open.org/odata/odata-data-aggregation-ext/v4.0/odata-data-aggregation-ext-v4.0.html).",
         "@Core.Links": [
             {
                 "rel": "alternate",
diff --git a/vocabularies/Org.OData.Aggregation.V1.md b/vocabularies/Org.OData.Aggregation.V1.md
index 2acbabb1..b8c494e4 100644
--- a/vocabularies/Org.OData.Aggregation.V1.md
+++ b/vocabularies/Org.OData.Aggregation.V1.md
@@ -3,7 +3,7 @@
 
 Terms to describe which data in a given entity model can be aggregated, and how.
 
-Related to the specfication document [OData-Data-Agg-v4.0](http://docs.oasis-open.org/odata/odata-data-aggregation-ext/v4.0/odata-data-aggregation-ext-v4.0.html).
+Related to the specification document [OData-Data-Agg-v4.0](http://docs.oasis-open.org/odata/odata-data-aggregation-ext/v4.0/odata-data-aggregation-ext-v4.0.html).
 
 
 ## Terms
diff --git a/vocabularies/Org.OData.Aggregation.V1.xml b/vocabularies/Org.OData.Aggregation.V1.xml
index 03fc06de..1d764b14 100644
--- a/vocabularies/Org.OData.Aggregation.V1.xml
+++ b/vocabularies/Org.OData.Aggregation.V1.xml
@@ -60,7 +60,7 @@
         <String>Terms to describe which data in a given entity model can be aggregated, and how.</String>
       </Annotation>
       <Annotation Term="Core.LongDescription">
-        <String>Related to the specfication document [OData-Data-Agg-v4.0](http://docs.oasis-open.org/odata/odata-data-aggregation-ext/v4.0/odata-data-aggregation-ext-v4.0.html).</String>
+        <String>Related to the specification document [OData-Data-Agg-v4.0](http://docs.oasis-open.org/odata/odata-data-aggregation-ext/v4.0/odata-data-aggregation-ext-v4.0.html).</String>
       </Annotation>
       <Annotation Term="Core.Links">
         <Collection>