diff --git a/tools/binman/entries.rst b/tools/binman/entries.rst
index 2402adb..61de7f1 100644
--- a/tools/binman/entries.rst
+++ b/tools/binman/entries.rst
@@ -1,5 +1,5 @@
 Binman Entry Documentation
-===========================
+==========================
 
 This file describes the entry types supported by binman. These entry types can
 be placed in an image one by one to build up a final firmware image. It is