diff --git a/Documentation/replace_macros.py b/Documentation/replace_macros.py
index 9c1880f..5cdfe91 100755
--- a/Documentation/replace_macros.py
+++ b/Documentation/replace_macros.py
@@ -87,6 +87,7 @@
     decorate(document.getElementsByTagName('h1'));
     decorate(document.getElementsByTagName('h2'));
     decorate(document.getElementsByTagName('h3'));
+    decorate(document.getElementsByTagName('h4'));
 
     var divs = document.getElementsByTagName('div');
     var arr = new Array();