diff --git a/miner/worker.go b/miner/worker.go
index e82f5f6e55..1260662fe7 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -75,7 +75,7 @@ type environment struct {
 	witness *stateless.Witness
 }
 
-// txFits reports whether the transaction fits into the block size limit.
+// txFitsSize reports whether the transaction fits into the block size limit.
 func (env *environment) txFitsSize(tx *types.Transaction) bool {
 	return env.size+tx.Size() < params.MaxBlockSize-maxBlockSizeBufferZone
 }