diff --git a/Usage.md b/Usage.md
index 17f9981..610534d 100644
--- a/Usage.md
+++ b/Usage.md
@@ -111,7 +111,7 @@ Notes:
 
 #### Graphical map
 
-![nnn QWERTY map](http://vgx.fr/nnn-cheatsheet.png)
+[![nnn QWERTY map](http://vgx.fr/nnn-cheatsheet.png)](https://camo.githubusercontent.com/4e48642e051960d7e05b8eb44a3dd355c2e3d28f/687474703a2f2f7667782e66722f6e6e6e2d636865617473686565742e706e67)
 
 ([![CC BY-SA](https://i.creativecommons.org/l/by-sa/3.0/80x15.png)](https://creativecommons.org/licenses/by-sa/3.0/)
 Léo Villeveygoux, based on [Qwerty.svg](https://commons.wikimedia.org/wiki/File:Qwerty.svg))