Update validate_configs.yml for riot-web and ma1sd: adopt the common instruction

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

roles/custom/matrix-client-element/tasks/validate_config.yml

@@ -29,7 +29,7 @@
     msg: >-
       Riot has been renamed to Element (https://element.io/blog/welcome-to-element/).
       The playbook will migrate your existing configuration and data automatically, but you need to adjust variable names.
-      Please change your configuration (vars.yml) to rename all riot-web variables (`{{ item.old }}` -> `{{ item.new }}`).
+      Please rename the variable (`{{ item.old }}` -> `{{ item.new }}`) on your configuration file (vars.yml).
       Also note that DNS configuration changes may be necessary.
   when: "vars | dict2items | selectattr('key', 'match', item.old) | list | items2dict"
   with_items:

roles/custom/matrix-ma1sd/tasks/validate_config.yml

@@ -82,7 +82,7 @@
     msg: >-
       mxisd is deprecated and has been replaced with ma1sd (https://github.com/ma1uta/ma1sd), a compatible fork.
       The playbook will migrate your existing mxisd configuration and data automatically, but you need to adjust variable names.
-      Please change your configuration (vars.yml) to rename all mxisd variables (`{{ item.old }}` -> `{{ item.new }}`).
+      Please rename the variable (`{{ item.old }}` -> `{{ item.new }}`) on your configuration file (vars.yml).
   when: "vars | dict2items | selectattr('key', 'match', item.old) | list | items2dict"
   with_items:
     - {'old': 'matrix_mxisd_.*', 'new': 'matrix_ma1sd_.*'}