diff --git a/tsa/howto/trac.mdwn b/tsa/howto/trac.mdwn
index c1c9fe3b877c8520b9591d7a5f80e09e8bc9d56d..f2430fa8f19d528f122a8de6b67455c4b5c8c955 100644
--- a/tsa/howto/trac.mdwn
+++ b/tsa/howto/trac.mdwn
@@ -19,6 +19,9 @@ Config:
     password = ....
     auth_type = basic
 
+The password can be ommitted and passed through the environment
+instead with [this patch](https://github.com/tamentis/cartman/pull/30).
+
 Template:
 
     To: anarcat