diff -r cd792ad85f3c -r 58113a41283f ThemeFiles.wiki
--- a/ThemeFiles.wiki	Sun Dec 07 17:43:39 2014 +0000
+++ b/ThemeFiles.wiki	Sun Dec 07 17:46:14 2014 +0000
@@ -94,10 +94,12 @@
 || 320 || 160 || 480 || 320 || Rising right || Long ||
 
 === `Snowball.png` ===
-This is the image of the mudball when thrown. It has a size of 16×16 pixels. By default, `Data/Graphics/Snowball.png` is used.
+This is the image of the mudball when thrown. It has a size of 16×16 pixels. If you specifiy this image in your theme, you should specify `amSnowball.png` as well.
+
+By default, `Data/Graphics/Snowball.png` is used.
 
 === `amSnowball.png` ===
-This is the image of the mudball with the hand of a hedgehog. It has a size of 128×128 pixels.
+This is the image of the mudball with the hand of a hedgehog. It has a size of 128×128 pixels. If you specifiy this image in your theme, you should specify `Snowball.png` as well.
 
 By default, `Data/Graphics/amSnowball.png` is used.