rlp: fix typos (#27484)

fix typos

Co-authored-by: john <yejiarui@123.com>

rlp/encode.go

@@ -419,7 +419,7 @@ func makeEncoderWriter(typ reflect.Type) writer {
 			// package json simply doesn't call MarshalJSON for this case, but encodes the
 			// value as if it didn't implement the interface. We don't want to handle it that
 			// way.
-			return fmt.Errorf("rlp: unadressable value of type %v, EncodeRLP is pointer method", val.Type())
+			return fmt.Errorf("rlp: unaddressable value of type %v, EncodeRLP is pointer method", val.Type())
 		}
 		return val.Addr().Interface().(Encoder).EncodeRLP(w)
 	}