Upgrade to "warning"

Author: abussy

docs/software/sciapps/cp2k.md

@@ -15,7 +15,7 @@ transition state optimization using NEB or dimer method. See [CP2K Features] for
     [CP2K] is provided on [ALPS][platforms-on-alps] via [uenv][ref-uenv].
     Please have a look at the [uenv documentation][ref-uenv] for more information about uenvs and how to use them.
 
-!!! note "Known issues"
+!!! warning "Known issues"
     Please check CP2K's [known issues](#known-issues) and whether they are relevant to your work. They may impact your calculations in subtle ways, potentially leading to a waste of resources.
 
 ??? note "Changelog"