Indent and small reword

Author: gassmoeller

CONTRIBUTING.md

@@ -39,27 +39,36 @@ may find. We keep track of all open issues related to ASPECT
 Please follow these instructions before opening a new bug report or ask
 a question:
 
-- Make sure you have run your model in [DEBUG mode](https://aspect-documentation.readthedocs.io/en/latest/user/run-aspect/debug-mode.html). DEBUG mode reports many errors in greater details and may already solve your question.
-- Search in the [list of open and closed issues](https://github.com/geodynamics/aspect/issues?q=is%3Aissue)
-  for a duplicate of your question.
-- Search in the [ASPECT forum](https://community.geodynamics.org/c/aspect) for a
+- Make sure you have run your model in [DEBUG
+  mode](https://aspect-documentation.readthedocs.io/en/latest/user/run-aspect/debug-mode.html).
+  DEBUG mode reports many errors in greater details and may already solve your
+  question.
+- Search in the [list of open and closed
+  issues](https://github.com/geodynamics/aspect/issues?q=is%3Aissue) for a
   duplicate of your question.
+- Search in the [ASPECT forum](https://community.geodynamics.org/c/aspect) for
+  a duplicate of your question.
 - If you did not find an answer in the previous searches, open a new question:
-  - If you suspect you have found a bug, open a new [issue](https://github.com/geodynamics/aspect/issues/new) 
-  and explain your problem as described below.
-  - If you are not sure how to set up a model, ask a question in
-    the [ASPECT forum](https://community.geodynamics.org/c/aspect) as described below.
-  - If you are not sure what to do, also open a question in the
-    [ASPECT forum](https://community.geodynamics.org/c/aspect).
+  - If you suspect you have found a bug, open a new
+    [issue](https://github.com/geodynamics/aspect/issues/new) and explain your
+    problem as described below.
+  - If you are not sure how to set up a model, ask a question in the [ASPECT
+    forum](https://community.geodynamics.org/c/aspect) as described below.
+  - If you are not sure what to do, you can post a question in the [ASPECT
+    forum](https://community.geodynamics.org/c/aspect).
 - In either case, attach the following information:
-  - a parameter file with a simplified and small model that reproduces the issue,
+  - a parameter file with a simplified and small model that reproduces the
+    issue,
   - the `log.txt` file that was created during the model run,
-  - one or several screenshots of the full error message you saw on your screen,
-  - any information that helps us understand why you think this is a bug (screenshots, data series, comparisons to reference results, etc.)
+  - one or several screenshots of the full error message you saw on your
+    screen,
+  - any information that helps us understand why you think this is a bug
+    (screenshots, data series, comparisons to reference results, etc.)
   - instructions how to reproduce the problem.
 
-Without providing the information above, we will less likely be able to help you, it may take significantly longer until
-you receive a reply, and we will just ask you for this information anyway.
+Without providing the information above, we will be less likely able to help
+you, it may take significantly longer until you receive a reply, and we will
+just ask you for this information anyway.
 
 ## Making ASPECT better