diff --git a/python/cheetah3/slack-desc b/python/cheetah3/slack-desc
index f37d35ce21..55debe1e6a 100644
--- a/python/cheetah3/slack-desc
+++ b/python/cheetah3/slack-desc
@@ -6,7 +6,7 @@
 # customary to leave one space after the ':' except on otherwise blank lines.
 
         |-----handy-ruler------------------------------------------------------|
-cheetah3: Cheetah3 (Python3 template engine and code-generation tool)
+cheetah3: cheetah3 (Python3 template engine and code-generation tool)
 cheetah3:
 cheetah3: Cheetah3 is a free and open source template engine and code-
 cheetah3: generation tool written in Python. Cheetah can be used unto itself,