diff --git a/Help/manual/cmake-generator-expressions.7.rst b/Help/manual/cmake-generator-expressions.7.rst
index 8d421aa611..6248a95e9e 100644
--- a/Help/manual/cmake-generator-expressions.7.rst
+++ b/Help/manual/cmake-generator-expressions.7.rst
@@ -407,6 +407,8 @@ String Queries
 
 .. genex:: $<STRING:FIND,string[,FROM:(BEGIN|END)],substring>
 
+  .. versionadded:: 4.3
+
   The position where the given ``substring`` was found in the supplied
   ``string``. If the ``substring`` is not found, a position of -1 is returned.