[PATCH] Documentation: kbuild: Fix section reference

[Viresh Kumar]

Section 3.11 was incorrectly called 3.9, fix it.

Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
---
 Documentation/kbuild/makefiles.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/kbuild/makefiles.rst b/Documentation/kbuild/makefiles.rst
index d36768cf1250..9f6a11881951 100644
--- a/Documentation/kbuild/makefiles.rst
+++ b/Documentation/kbuild/makefiles.rst
@@ -598,7 +598,7 @@ more details, with real examples.
 	explicitly added to $(targets).
 
 	Assignments to $(targets) are without $(obj)/ prefix. if_changed may be
-	used in conjunction with custom rules as defined in "3.9 Custom Rules".
+	used in conjunction with custom rules as defined in "3.11 Custom Rules".
 
 	Note: It is a typical mistake to forget the FORCE prerequisite.
 	Another common pitfall is that whitespace is sometimes significant; for
-- 
2.25.0.rc1.19.g042ed3e048af