diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index ec81884..6a1f342 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -92,10 +92,10 @@
 extern s32 i2c_smbus_read_word_data(struct i2c_client * client, u8 command);
 extern s32 i2c_smbus_write_word_data(struct i2c_client * client,
                                      u8 command, u16 value);
-/* Returns the number of bytes transferred */
 extern s32 i2c_smbus_write_block_data(struct i2c_client * client,
 				      u8 command, u8 length,
 				      u8 *values);
+/* Returns the number of read bytes */
 extern s32 i2c_smbus_read_i2c_block_data(struct i2c_client * client,
 					 u8 command, u8 *values);