diff --git a/src/webengine/doc/src/qtwebengine-platform-notes.qdoc b/src/webengine/doc/src/qtwebengine-platform-notes.qdoc
index 3faf839c783fe6d5bf076762181a0e9798504f92..06a4a53a9000f4ed73318f1b00b2348d1ffdd1a4 100644
--- a/src/webengine/doc/src/qtwebengine-platform-notes.qdoc
+++ b/src/webengine/doc/src/qtwebengine-platform-notes.qdoc
@@ -62,7 +62,7 @@
     On all platforms, the following tools are required:
 
     \list
-        \li \l Python 2.7.5 or later
+        \li \l Python 2.7.5 or later. Python 3 is not supported.
         \li Bison, Flex
         \li GPerf
     \endlist