Update config.yaml.j2

roles/custom/matrix-bridge-mautrix-whatsapp/templates/config.yaml.j2

@@ -93,7 +93,7 @@ bridge:
     # The following variables are also available, but will cause problems on multi-user instances:
     # {{ '{{.FullName}}' }}  - full name from contact list
     # {{ '{{.FirstName}}' }} - first name from contact list
-    displayname_template: "{{ '{{or .BusinessName .PushName .JID}} (WA)' }}"
+    displayname_template: "{{ '{{or .BusinessName .PushName .JID}} (WhatsApp)' }}"
     # Should the bridge create a space for each logged-in user and add bridged rooms to it?
     # Users who logged in before turning this on should run `!wa sync space` to create and fill the space for the first time.
     personal_filtering_spaces: {{ matrix_mautrix_whatsapp_bridge_personal_filtering_spaces | to_json }}