diff --git a/miner/worker.go b/miner/worker.go
index e0a8a09482..4924952478 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -75,7 +75,7 @@ type newPayloadResult struct {
 	receipts []*types.Receipt       // Receipts collected during construction
 }
 
-// generateParams wraps various of settings for generating sealing task.
+// generateParams wraps various settings for generating sealing task.
 type generateParams struct {
 	timestamp   uint64            // The timestamp for sealing task
 	forceTime   bool              // Flag whether the given timestamp is immutable or not