diff --git a/yacy.init b/yacy.init
index ec0b51704..118a007de 100644
--- a/yacy.init
+++ b/yacy.init
@@ -88,8 +88,8 @@ parseableMimeTypes=
 # media extension string
 # a comma-separated list of extensions that denote media file formats
 # this is important to recognize <a href> - tags as not-html reference
-# These files will be excluded from indexing
-mediaExt=swf,wmv,jpg,jpeg,jpe,rm,mov,mpg,mpeg,mp3,asf,gif,png,avi,zip,rar,sit,hqx,img,dmg,tar,gz,ps,pdf,doc,xls,ppt,ram,bz2,arj,jar,deb,torrent,ogg,iso,bin,ace,tgz,rpm,css
+# These files will be excluded from indexing _(Please keep extensions in alphabetical order)_
+mediaExt=ace,arj,asf,avi,bin,bz2,css,deb,doc,dmg,gif,gz,hqx,img,iso,jar,jpe,jpg,jpeg,mpeg,mov,mp3,mpg,ogg,png,pdf,ppt,ps,ram,rar,rm,rpm,sit,swf,tar,tgz,torrent,wmv,xcf,xls,zip
 
 # Promotion Strings
 # These strings appear in the Web Mask of the YACY search client