update

Author: v-fuquanli

mdoc/Mono.Documentation/MDocUpdater.Member.cs

@@ -45,7 +45,7 @@ internal static void MakeTypeParameterConstraints(XmlElement root, XmlElement e,
             if ((attrs & GenericParameterAttributes.ReferenceTypeConstraint) != 0)
                 AppendElementText(ce, "ParameterAttribute", "ReferenceTypeConstraint");
             // Check for 'allows ref struct' constraint
-            if ((attrs & (GenericParameterAttributes)0x0020) != 0) // Assuming 0x1000 is the flag for 'allows ref struct'
+            if ((attrs & (GenericParameterAttributes)0x0020) != 0) // Assuming 0x0020 is the flag for 'allows ref struct'
                 AppendElementText(ce, "ParameterAttribute", "AllowByRefLike");
 
 #if NEW_CECIL