diff --git a/qmake/doc/src/qmake-manual.qdoc b/qmake/doc/src/qmake-manual.qdoc
index 41611be0e56..abdb894d03f 100644
--- a/qmake/doc/src/qmake-manual.qdoc
+++ b/qmake/doc/src/qmake-manual.qdoc
@@ -2680,7 +2680,8 @@
     together. This variable is normally empty and therefore nothing is
     executed.
 
-    \note This variable takes no effect on Xcode projects.
+    \warning This variable is not supported when using the Xcode
+    generator and the new Xcode build system.
 
     \section1 QMAKE_PROJECT_NAME