raft: Fix comment on sendHeartbeat

etcd-io · Oct 9, 2018 · 5e7d14c · 5e7d14c
1 parent 6f564ea
commit 5e7d14c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/raft/raft.go b/raft/raft.go
@@ -524,7 +524,7 @@ func (r *raft) maybeSendAppend(to uint64, sendIfEmpty bool) bool {
 	return true
 }
 
-// sendHeartbeat sends an empty MsgApp
+// sendHeartbeat sends a heartbeat RPC to the given peer.
 func (r *raft) sendHeartbeat(to uint64, ctx []byte) {
 	// Attach the commit as min(to.matched, r.committed).
 	// When the leader sends out heartbeat message,