diff --git a/client/keys.go b/client/keys.go
index 92f74b2f1..58c8e6260 100644
--- a/client/keys.go
+++ b/client/keys.go
@@ -253,7 +253,7 @@ type Response struct {
 	Node *Node `json:"node"`
 
 	// PrevNode represents the previous state of the Node. PrevNode is non-nil
-	// only if the Node existed before the action occured and the action
+	// only if the Node existed before the action occurred and the action
 	// caused a change to the Node.
 	PrevNode *Node `json:"prevNode"`