diff --git a/docs/conceptual/list.partition['t]-function-[fsharp].md b/docs/conceptual/list.partition['t]-function-[fsharp].md
index d9677ba1..28503cd6 100644
--- a/docs/conceptual/list.partition['t]-function-[fsharp].md
+++ b/docs/conceptual/list.partition['t]-function-[fsharp].md
@@ -35,7 +35,7 @@ List.partition predicate list
 Type: **'T ->**[bool](https://msdn.microsoft.com/library/89c0cf9c-49ce-4207-a3be-555851a67dd5)
 
 
-The function to test the input elements.
+The function to test the input elements. This predicate is evaluated once for each input element.
 
 
 *list*