diff --git a/grep/generate_files_with_problematic_names b/grep/generate_files_with_problematic_names
index d31b58e..72061f5 100644
--- a/grep/generate_files_with_problematic_names
+++ b/grep/generate_files_with_problematic_names
@@ -10,6 +10,7 @@
 # License:     GPL3
 # Warranty:    This program is distributed WITHOUT ANY WARRANTY
 # Todo:        Find and add more problems in filenames!?
+#                Possible candidates: < > , ; = [ ] " / | \
 
 FWPN="files_with_problematic_names"