Fix comments

Author: hajgato

mkdocs/docs/HPC/fine_tuning_job_specifications.md

@@ -297,11 +297,12 @@ qsub -l mem=4gb
 
 {% if site==gent %}
 If you do not request memory (neither in the job script nor on the command line), the default memory
-that your job will get access is the proportional share of the total memory on the node:
-If you request a full node, all memory will be available.
+that your job will get access is the proportional share of the total avaliable memory on the node:
+If you request a full node, all usable memory will be available.
 If you request `N` cores on a cluster where nodes have `M` cores, you will get `N/M`
-of the total memory on the node. For the number of cores and available memory per cluster, please see our
-[infrastructure](https://www.ugent.be/hpc/en/infrastructure).
+of the total usable memory on the node. For the number of cores and available memory per cluster, please see our
+[infrastructure](https://www.ugent.be/hpc/en/infrastructure), or you can use the [web portal](./web_portal.md), open
+the desktop app and there you can browse it per cluster and core.
 {% endif %}
 
 {% if site!=gent %}