update?

roles/matrix-awx/surveys/configure_element.json.j2

@@ -40,7 +40,7 @@
     },
     {
       "question_name": "Set Welcome Page Background",
-      "question_description": "URL to Wallpaper, shown in background of the welcome page. Must be a 'https' link, otherwise it won't be set.",
+      "question_description": "Sets the background image on the welcome page, you should enter a URL to the image you want to use. Must be a 'https' link, otherwise it won't be set. Leaving this field blank will cause the default background to be used.",
       "required": false,
       "min": 0,
       "max": 1024,

roles/matrix-awx/tasks/set_variables_element_subdomain.yml

@@ -7,7 +7,7 @@
     line: "{{ item.key }}: {{ item.value }}"
     insertafter: '# Element Settings Start'
   with_dict:
-    'matrix_server_fqn_element': "{{ element_subdomain }}.{{ matrix_domain }}"
+    'matrix_server_fqn_element': "{{ awx_element_subdomain }}.{{ matrix_domain }}"
     
 - name: Save new 'Configure Element Subdomain' survey.json to the AWX tower, template
   delegate_to: 127.0.0.1