diff --git a/RELEASE b/RELEASE
index 665577a..212ca9e 100644
--- a/RELEASE
+++ b/RELEASE
@@ -3,6 +3,10 @@ Release History
 
 This document is intended to summarise the changes made for each release. It should be noted that this document was only introduced with version 1.4, and therefore doesn't cover earlier releases.
 
+1.7.2
+-----
++ added support for PDF printing using wkhtmltopdf
+
 1.7.1
 -----
 + show enc attribute in letter regardless of whether a cc has been added