Better explanation on SSL usage with MQTT

code/espurna/config/general.h

@@ -452,13 +452,13 @@ PROGMEM const char* const custom_reset_string[] = {
 // It could be a good idea to use it in conjuntion with WEB_SUPPORT=0.
 // Requires ASYNC_TCP_SSL_ENABLED to 1 and ESP8266 Arduino Core 2.4.0.
 //
-// You can use it with MQTT_USE_ASYNC=1 (AsyncMqttClient library)
+// You can use SSL with MQTT_USE_ASYNC=1 (AsyncMqttClient library)
 // but you might experience hiccups on the web interface, so my recommendation is:
 // WEB_SUPPORT=0
 //
-// If you use it with MQTT_USE_ASYNC=0 (PubSubClient library)
+// If you use SSL with MQTT_USE_ASYNC=0 (PubSubClient library)
 // you will have to disable all the modules that use ESPAsyncTCP, that is:
-// ALEXA_SUPPORT=0, INFLUXDB_SUPPORT=0, TELNET_SUPPORT=0 and WEB_SUPPORT=0
+// ALEXA_SUPPORT=0, INFLUXDB_SUPPORT=0, TELNET_SUPPORT=0, THINGSPEAK_SUPPORT=0 and WEB_SUPPORT=0
 //
 // You will need the fingerprint for your MQTT server, example for CloudMQTT:
 // $ echo -n | openssl s_client -connect m11.cloudmqtt.com:24055 > cloudmqtt.pem