diff --git a/rlp/decode.go b/rlp/decode.go
index 4773cc42f5..52d5789c8b 100644
--- a/rlp/decode.go
+++ b/rlp/decode.go
@@ -537,7 +537,7 @@ func decodeDecoder(s *Stream, val reflect.Value) error {
 type Kind int
 
 // Const list indicates the kind of value in an RLP stream 
-// and and its next value is incremented by Kind().
+// and its next value is incremented by Kind().
 const (
 	Byte Kind = iota
 	String