diff --git a/consensus/clique/clique.go b/consensus/clique/clique.go
index eae09f91d..0cb72c35c 100644
--- a/consensus/clique/clique.go
+++ b/consensus/clique/clique.go
@@ -696,7 +696,7 @@ func (c *Clique) SealHash(header *types.Header) common.Hash {
 	return sigHash(header)
 }
 
-// Close implements consensus.Engine. It's a noop for clique as there is are no background threads.
+// Close implements consensus.Engine. It's a noop for clique as there are no background threads.
 func (c *Clique) Close() error {
 	return nil
 }