diff --git a/lib/Kalamar.pm b/lib/Kalamar.pm
index 1348219..2db406a 100644
--- a/lib/Kalamar.pm
+++ b/lib/Kalamar.pm
@@ -9,6 +9,7 @@
 # Minor version - may be patched from package.json
 our $VERSION = '0.21';
 
+# TODO: Use CSRF!!!
 # TODO: The FAQ-Page has a contact form for new questions
 # TODO: Embed query serialization
 # TODO: Embed collection statistics