Update docs/configuring-playbook-bot-postmoogle.md: add "bots" to the comment

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

docs/configuring-playbook-bot-postmoogle.md

@@ -41,7 +41,7 @@ matrix_bot_postmoogle_password: PASSWORD_FOR_THE_BOT
 # matrix_bot_postmoogle_admins:
 #  - '@yourAdminAccount:domain.com'
 #
-# .. unless you've made yourself an admin of all bridges like this:
+# .. unless you've made yourself an admin of all bots/bridges like this:
 #
 # matrix_admin: '@yourAdminAccount:domain.com'
 ```