diff --git a/src/Umbraco.Core/Models/ContentTypeBase.cs b/src/Umbraco.Core/Models/ContentTypeBase.cs
index a266c55e22..f92e562536 100644
--- a/src/Umbraco.Core/Models/ContentTypeBase.cs
+++ b/src/Umbraco.Core/Models/ContentTypeBase.cs
@@ -410,7 +410,7 @@ namespace Umbraco.Core.Models
         /// <summary>
         /// Removes a PropertyGroup from the current ContentType
         /// </summary>
-        /// <param name="propertyTypeAlias">Name of the <see cref="PropertyGroup"/> to remove</param>
+        /// <param name="propertyGroupName">Name of the <see cref="PropertyGroup"/> to remove</param>
         public void RemovePropertyGroup(string propertyGroupName)
         {
             PropertyGroups.RemoveItem(propertyGroupName);
diff --git a/src/Umbraco.Core/Models/IContentTypeBase.cs b/src/Umbraco.Core/Models/IContentTypeBase.cs
index e68c9884d8..33effce2d9 100644
--- a/src/Umbraco.Core/Models/IContentTypeBase.cs
+++ b/src/Umbraco.Core/Models/IContentTypeBase.cs
@@ -67,7 +67,7 @@ namespace Umbraco.Core.Models
         /// <summary>
         /// Removes a PropertyGroup from the current ContentType
         /// </summary>
-        /// <param name="propertyTypeAlias">Name of the <see cref="PropertyGroup"/> to remove</param>
+        /// <param name="propertyGroupName">Name of the <see cref="PropertyGroup"/> to remove</param>
         void RemovePropertyGroup(string propertyGroupName);
 
         /// <summary>