diff --git a/src/libraries/Microsoft.PowerFx.Core/Public/Values/DelegationParameters.cs b/src/libraries/Microsoft.PowerFx.Core/Public/Values/DelegationParameters.cs
index f606401c19..a4a4f2dde8 100644
--- a/src/libraries/Microsoft.PowerFx.Core/Public/Values/DelegationParameters.cs
+++ b/src/libraries/Microsoft.PowerFx.Core/Public/Values/DelegationParameters.cs
@@ -70,8 +70,8 @@ public enum DelegationParameterFeatures
         // $orderBy
         Sort = 1 << 3,
 
-        // $apply
-        Apply = 1 << 4,
+        // $apply = join(table As name)
+        ApplyJoin = 1 << 4,
 
         // $apply = groupby((field1, ..), field with sum as TotalSum)
         ApplyGroupBy = 1 << 5,