diff --git a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage.h b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage.h
index bf6642064..f9cae8a3e 100644
--- a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage.h
+++ b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage.h
@@ -1092,6 +1092,7 @@ static void update_ZM_instruction(uint8 *ins) {
                 }
 
                 case VIS_ASK:{
+                    // I2C test
                     I2C_status = I2C_transfer(I2Chandle, &i2cTrans);
                     break;
                 }