diff --git a/logo/README b/logo/README
index d1aa013..1dd32a0 100644
--- a/logo/README
+++ b/logo/README
@@ -2,6 +2,9 @@ This logo has been inspired from a photograph [1] by Peter Trimming [2],
 which is released under the terms of the Creative Commons Attribution
 2.0 Generic license [3].
 
+The police “El Abogado Loco” must be installed on your system for the
+SVG to render properly (package fonts-dustin on Debian).
+
 [1]
  http://commons.wikimedia.org/wiki/File:Bubo_bubo_-British_Wildlife_Centre,_Surrey,_England_-flying-8a.jpg
  http://flickr.com/photos/peter-trimming/5670201689/