diff --git a/ESP-IDF_Robot_RC/main/espnow_example_main.c b/ESP-IDF_Robot_RC/main/espnow_example_main.c
index f8036ff2e..421363b98 100755
--- a/ESP-IDF_Robot_RC/main/espnow_example_main.c
+++ b/ESP-IDF_Robot_RC/main/espnow_example_main.c
@@ -39,7 +39,7 @@ typedef struct {
 } __attribute__((packed)) sensors_data_t;
 
 // MAC address of receiver. For one-to-many broadcast, change MAC address to FF:FF...:FF
-static uint8_t receiver_mac[ESP_NOW_ETH_ALEN]   = {0xE4, 0xB0, 0x63, 0x17, 0x9E, 0x45};
+static uint8_t receiver_mac[ESP_NOW_ETH_ALEN]   = {0xE4, 0xB0, 0x63, 0x17, 0x9E, 0x45};     // MAC address of Robot
 
 static esp_now_peer_info_t peerInfo;                // ESP-NOW pointer holding info about devices (peers)
 static sensors_data_t *buf, buffer;                         // Pointer to the struct buffer holding data being sent.