Refactor text

Co-authored-by: Kenneth Hoste <kenneth.hoste@ugent.be>

mkdocs/docs/HPC/multi_job_submission.md

@@ -139,12 +139,12 @@ concurrently -- until all computations are done. A computation for such
 a parameter instance is called a work item in Worker parlance.
 
 !!! warning
-    When you attempt to submit a worker job on a non-default cluster, you might encounter an `Illegal instruction` error. In such cases, the solution is to use a different swap command. For example, to submit a worker job to the [donphan debug cluster](interactive_debug.md) from the login nodes, use:
+    When you attempt to submit a worker job on a non-default cluster, you might encounter an `Illegal instruction` error. In such cases, the solution is to use a different `module swap` command. For example, to submit a worker job to the [`donphan` debug cluster](interactive_debug.md) from the login nodes, use:
     <pre><code>$ <b>module swap env/slurm/donphan</b>
     </code></pre>
     instead of
     <pre><code>$ <b>module swap cluster/donphan </b></code></pre>
-    More general info on the `Ilegal instruction` error is available [here](troubleshooting.md#multi-job-submissions-on-a-non-default-cluster).
+    We recommend using a `module swap cluster` command after submitting the jobs. Additional information about this as well as more comprehensive details concerning the 'Illegal instruction' error can be accessed [here](troubleshooting.md#multi-job-submissions-on-a-non-default-cluster).
 
 ## The Worker framework: Job arrays
 [//]: # (sec:worker-framework-job-arrays)