diff --git a/example.env b/example.env
index 00e69ce..53205b3 100644
--- a/example.env
+++ b/example.env
@@ -47,4 +47,4 @@ SNIKKET_WEB_DOMAIN='localhost'
 # of an avatar is still up-to-date on every request; if it is, the avatar is
 # not re-transferred.
 #
-# SNIKKET_WEB_AVATAR_CACHE_TTL = 1800
+#SNIKKET_WEB_AVATAR_CACHE_TTL=1800