diff --git a/README.md b/README.md
index cc6afaf3..aa70bc7c 100644
--- a/README.md
+++ b/README.md
@@ -201,7 +201,7 @@ Otherwise, `iptables` won't be able to ban IPs.
   - **empty** => admin
   - => Specify the password to bind against ldap
 
-##### OVERRIDE_HOSTNAE
+##### OVERRIDE_HOSTNAME
 
   - **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 this environment variable.