Update advanced-example.yaml translation comments

advanced-example.yaml

@@ -31,7 +31,12 @@ nspanel_lovelace:
   sleep_timeout: 10
   # locale:
     ## This can be the ISO 639‑1 language code or a custom json file (i.e. custom.json).
-    ## Only en,en-GB,de,el have been added so far.
+    ## Currently supported languages:
+    ##   - English/English (GB): en.json, en-GB.json
+    ##   - Czech/Čeština: cs.json
+    ##   - German/Deutsch: de.json
+    ##   - Greek/Νέα Ελληνικά: el.json
+    ##   - Spanish/Español: es.json
     ## NOTE: This feature is in beta so the translation keys and values could change at any time!
     ##       Any custom translation files you create will need to be kept in sync with the the files on the repo
     ##       https://github.com/olicooper/esphome-nspanel-lovelace-native/tree/dev/components/nspanel_lovelace/translations
@@ -347,4 +352,4 @@ output:
 ## Rtttl function for buzzer
 rtttl:
   id: buzzer
-  output: buzzer_out
+  output: buzzer_out