diff --git a/Sensor-API.md b/Sensor-API.md
index b4d32c5e..602816ff 100644
--- a/Sensor-API.md
+++ b/Sensor-API.md
@@ -19,8 +19,8 @@ Any sensor driver needs a callback function following the scheme
  *
  * It provides the Tasmota callback IDs.
  *
- * @param   byte    function  Tasmota function ID.
- * @return  boolean           ???
+ * @param   byte    callback_id  Tasmota function ID.
+ * @return  boolean              Return value.
  * @pre     None.
  * @post    None.
  *
@@ -30,7 +30,7 @@ boolean Xsns<driverID>(byte callback_id) {
   // ???
   boolean result = false;
 
-  // Check if I2C mode
+  // Check if I2C interface mode
 // if(i2c_flg) {
 
   // Check which callback ID is called by Tasmota