Typos

doc.zih.tu-dresden.de/docs/contrib/content_rules.md

@@ -222,13 +222,14 @@ drwxr-xr-x   3 marie p_marie      4096 Feb 12  2020 data
 If showing only a snippet of a long output, omissions are marked with `[...]`.
 
 ## Unix Rules
+
 Stick to the Unix rules on optional and required arguments, and selection of item sets:
 
 * `<required argument or value>`
 * `[optional argument or value]`
 * `{choice1|choice2|choice3}`
 
-# Graphics and Attachments
+## Graphics and Attachments
 
 All graphics and attachments are saved within `misc` directory of the respective sub directory in
 `docs`.

doc.zih.tu-dresden.de/docs/contrib/contribute_container.md

@@ -130,9 +130,3 @@ properly, use the following command:
 ```Bash
 $DC 'markdownlint docs'
 ```
-
-
-
-
-
-

doc.zih.tu-dresden.de/docs/contrib/howto_contribute.md

@@ -30,4 +30,5 @@ refer to the corresponding documentation for further information.
 
 For experienced Git users, we provide a Docker containier that includes all checks of the CI engine
 used in the backend. Using them should ensure that mareg requests will not be blocked
-due to automatic checking. For details, see [Work Locally Using Containers](contribute_container.md) .
+due to automatic checking.
+For details, see [Work Locally Using Containers](contribute_container.md).