diff --git a/cleanfilenames.py b/cleanfilenames.py
old mode 100644
new mode 100755
index a3f28c2..e77fa7d
--- a/cleanfilenames.py
+++ b/cleanfilenames.py
@@ -2,7 +2,7 @@
 
 import sys, re, os
 
-errortxt = " mydirectory\nRenames _all_ strange filenames in a given directory. No other options, edit the source."
+errortxt = " /some/directory\nRenames _all_ strange filenames in a given directory. No other options, edit the source."
 count = 0
 
 # Check for one single commandlineparameter
@@ -13,8 +13,10 @@ except:
 
 # Regex to eliminate everything not belonging into a filename
 # Ey, this is not zombiecode!
-# whitelist="[^a-z.A-Z0-9äöüÄÖÜß_+-]"    # All trash eliminate
-# whitelist="[^a-z.A-Z0-9äöüÄÖÜß_+-][^a-z.A-Z0-9äöüÄÖÜß_+-]*" # Reduce trash to "-"
+
+# whitelist = "[^a-z.A-Z0-9äöüÄÖÜß_+-]"  # All trash eliminate
+# whitelist = "[^a-z.A-Z0-9äöüÄÖÜß_+-][^a-z.A-Z0-9äöüÄÖÜß_+-]*"  # Reduce trash to "-"
+
 whitelist = "[^a-z.A-Z0-9äöüÄÖÜß_+-][^a-z.A-Z0-9äöüÄÖÜß_+-]*"
 cutminus = "^-+"