diff --git a/doc/THANKS b/doc/THANKS
index 43d0d198a..ee99259ee 100644
--- a/doc/THANKS
+++ b/doc/THANKS
@@ -136,6 +136,7 @@ Davide Guerri <d.guerri@caspur.it>
 
 David Guimaraes <skysbsb@gmail.com>
     for reporting several bugs
+    for suggesting an enhancement
 
 Chris Hall <chris.hall@mod10.net>
     for coding the prettyprint.py library