--- a/ThemeFiles.wiki	Fri Dec 05 14:41:20 2014 +0000
+++ b/ThemeFiles.wiki	Sun Dec 07 16:05:59 2014 +0000
@@ -9,8 +9,14 @@
 Careful! All file names are case-sensitive on case-sensitive platforms! Please ensure you used the correct casing if you want to share your theme online.
 
 == Basic files ==
-=== `icon@2x.png` ===
-The icon of the theme. It must be of size 59×54 pixels. The presence of this file also determines wheather the theme is visible in Hedgewars for selection. The theme will only be visible if this file is present.
+=== Icon ===
+A preview icon for the theme. It is used in the frontend. The presence of this file also determines wheather the theme is visible in Hedgewars for selection. The theme will only be visible if this file is present. The icon comes in two sizes.
+
+==== `icon.png` ====
+Small version of the icon. It must be of size 33×32 pixels.
+
+==== `icon@2x.png` ====
+Large version of the icon. It must be of size 59×54 pixels.
 
 === `theme.cfg` ===
 A text file which configures various aspects of the theme. The structure of this file is explained in [Theme].