Fix ticks

README.md

@@ -34,7 +34,7 @@ You can use `abra` in one of 2 ways:
    directory. Be sure to set `ABRA_STACK_DIR=.`
 2. "Monorepo mode": keep all your `compose-stack`s in one directory and all your `env` files in
    another, e.g.:
-   ````
+   ```
    $ tree
    .
    ├── apps
@@ -49,8 +49,7 @@ You can use `abra` in one of 2 ways:
        ├── traefik
        └── wordpress
    >  $ abra -e apps/mediawiki.demo.autonomic.zone.env deploy
-    ```
-   ````
+   ```
 
 ## Examples