diff --git a/mps/design/guide.impl.c.naming.txt b/mps/design/guide.impl.c.naming.txt
index 01191a7ca44..bffc58554fc 100644
--- a/mps/design/guide.impl.c.naming.txt
+++ b/mps/design/guide.impl.c.naming.txt
@@ -91,8 +91,8 @@ _`.suffix.function`: The type of other functions must end with
 ``Function``. For example, ``TreeKeyFunction``.
 
 
-History
--------
+Document History
+----------------
 
 - 2014-10-07  GDR_  Created based on job003693_.