diff --git a/docs/en/reference/dql-doctrine-query-language.rst b/docs/en/reference/dql-doctrine-query-language.rst
index 657d5520e..69d115053 100644
--- a/docs/en/reference/dql-doctrine-query-language.rst
+++ b/docs/en/reference/dql-doctrine-query-language.rst
@@ -1682,6 +1682,6 @@ Functions
             "TRIM" "(" [["LEADING" | "TRAILING" | "BOTH"] [char] "FROM"] StringPrimary ")" |
             "LOWER" "(" StringPrimary ")" |
             "UPPER" "(" StringPrimary ")" |
-            "IDENTITY" "(" SingleValuedAssociationPathExpression ")"
+            "IDENTITY" "(" SingleValuedAssociationPathExpression {"," string} ")"