diff --git a/components/esp_wifi/include/esp_wifi.h b/components/esp_wifi/include/esp_wifi.h
index aa65e32c6b..b31ca083f5 100644
--- a/components/esp_wifi/include/esp_wifi.h
+++ b/components/esp_wifi/include/esp_wifi.h
@@ -578,7 +578,7 @@ esp_err_t esp_wifi_get_bandwidth(wifi_interface_t ifx, wifi_bandwidth_t *bw);
 /**
   * @brief     Set primary/secondary channel of ESP32
   *
-  * @attention 1. This API should be called after esp_wifi_start()
+  * @attention 1. This API should be called after esp_wifi_start() and before esp_wifi_stop()
   * @attention 2. When ESP32 is in STA mode, this API should not be called when STA is scanning or connecting to an external AP
   * @attention 3. When ESP32 is in softAP mode, this API should not be called when softAP has connected to external STAs
   * @attention 4. When ESP32 is in STA+softAP mode, this API should not be called when in the scenarios described above
@@ -593,6 +593,7 @@ esp_err_t esp_wifi_get_bandwidth(wifi_interface_t ifx, wifi_bandwidth_t *bw);
   *    - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
   *    - ESP_ERR_WIFI_IF: invalid interface
   *    - ESP_ERR_INVALID_ARG: invalid argument
+  *    - ESP_ERR_WIFI_NOT_STARTED: WiFi is not started by esp_wifi_start
   */
 esp_err_t esp_wifi_set_channel(uint8_t primary, wifi_second_chan_t second);
 
diff --git a/components/esp_wifi/lib b/components/esp_wifi/lib
index 814f1482ac..d83e414db9 160000
--- a/components/esp_wifi/lib
+++ b/components/esp_wifi/lib
@@ -1 +1 @@
-Subproject commit 814f1482ac59038a0641672115564169174e5dae
+Subproject commit d83e414db987a3464c6f5f27aade2edfa0abb2c8