diff --git a/types/validator_set.go b/types/validator_set.go
index bf9a880d6..f24a12fbe 100644
--- a/types/validator_set.go
+++ b/types/validator_set.go
@@ -640,7 +640,7 @@ func (vals *ValidatorSet) VerifyCommit(chainID string, blockID BlockID, height i
 
 //-----------------
 
-// IsErrTooMuchChange 
+// IsErrTooMuchChange
 func IsErrTooMuchChange(err error) bool {
 	switch err_ := err.(type) {
 	case cmn.Error: