diff --git a/mailserver.env b/mailserver.env
index 4c35fb9d..580b98a4 100644
--- a/mailserver.env
+++ b/mailserver.env
@@ -11,7 +11,7 @@
 
 # empty => uses the `hostname` command to get the mail server's canonical hostname
 # => Specify a fully-qualified domainname to serve mail for.  This is used for many of the config features so
-# if you can't set your hostname (e.g. you're in a container platform that doesn't let you) specify it in 
+# if you can't set your hostname (e.g. you're in a container platform that doesn't let you) specify it in
 # this environment variable.
 # **WARNING**: Setting OVERRIDE_HOSTNAME can have difficult to predict side effects.
 OVERRIDE_HOSTNAME=