diff --git a/akka-docs/rst/common/cluster.rst b/akka-docs/rst/common/cluster.rst
index 633a152032..a311a19899 100644
--- a/akka-docs/rst/common/cluster.rst
+++ b/akka-docs/rst/common/cluster.rst
@@ -92,7 +92,7 @@ Vector Clocks
 `Vector clocks`_ are an algorithm for generating a partial ordering of events in
 a distributed system and detecting causality violations.
 
-We use vector clocks to to reconcile and merge differences in cluster state
+We use vector clocks to reconcile and merge differences in cluster state
 during gossiping. A vector clock is a set of (node, counter) pairs. Each update
 to the cluster state has an accompanying update to the vector clock.