docs: update markdownlint rules for better formatting

docs/processes/scheduled-cron-tasks.md

@@ -18,7 +18,7 @@ Dokku automates scheduled `dokku run` commands via it's `app.json` cron integrat
 
 The `app.json` file for a given app can define a special `cron` key that contains a list of commands to run on given schedules. The following is a simple example `app.json` that effectively runs the command `dokku run $APP npm run send-email` once a day:
 
-```
+```json
 {
   "cron": [
     {
@@ -168,8 +168,7 @@ For tasks that will properly resume, you _should_ use the above method, as runni
 Regularly scheduled tasks can be a bit of a pain with Dokku. The following are general recommendations to follow to help ensure successful task runs.
 
 - Use the `dokku` user in your cron entry.
-  - If you do not, the `dokku` binary will attempt to execute with `sudo`, and your cron run with fail with `sudo: no tty present and no askpass program specified`.
-
+    - If you do not, the `dokku` binary will attempt to execute with `sudo`, and your cron run with fail with `sudo: no tty present and no askpass program specified`.
 - Add a `MAILTO` environment variable to ship cron emails to yourself.
 - Add a `PATH` environment variable or specify the full path to binaries on the host.
 - Add a `SHELL` environment variable to specify Bash when running commands.