diff --git a/internal/ethapi/api.go b/internal/ethapi/api.go
index 70aa22dafb..db0297ae5a 100644
--- a/internal/ethapi/api.go
+++ b/internal/ethapi/api.go
@@ -1837,7 +1837,7 @@ func (api *DebugAPI) SetHead(number hexutil.Uint64) error {
 		return errors.New("current header is not available")
 	}
 	if header.Number.Uint64() <= uint64(number) {
-		return errors.New("not allowed to rewind to a later block")
+		return errors.New("not allowed to rewind to a future block")
 	}
 	api.b.SetHead(uint64(number))
 	return nil