diff --git a/akka-cluster/src/main/resources/reference.conf b/akka-cluster/src/main/resources/reference.conf
index 40e578b5d9..a1d4984747 100644
--- a/akka-cluster/src/main/resources/reference.conf
+++ b/akka-cluster/src/main/resources/reference.conf
@@ -215,7 +215,7 @@ akka {
 
     }
 
-    # Configures mult-dc specific heartbeating and other mechanisms,
+    # Configures multi-dc specific heartbeating and other mechanisms,
     # many of them have a direct counter-part in "one datacenter mode",
     # in which case these settings would not be used at all - they only apply,
     # if your cluster nodes are configured with at-least 2 different `akka.cluster.data-center` values.