add warnings

Author: simonpintarelli

docs/software/sciapps/quantumespresso.md

@@ -147,7 +147,12 @@ To recompile QE after editing the source code re-run `spack -e $SCRATCH/qe-env i
 uenv start quantumespresso/v7.3.1
 MPICH_GPU_SUPPORT_ENABLED=1 srun [...] $SCRATCH/qe-env/view/bin/pw.x < pw.in
 ```
-Note: The `pw.x` is linked to the uenv, it won't work without activating the uenv, also it will only work with the exact same version of the uenv. The physical installation path is in `$SCRATCH/spack`, deleting this directory will leave the anonymous spack environment created in 3. with dangling symlinks.
+
+!!! warning
+    The `pw.x` is linked to the uenv, it won't work without activating the uenv, also it will only work with the exact same version of the uenv. 
+
+!!! warning
+    The physical installation path is in `$SCRATCH/spack`, deleting this directory will leave the anonymous spack environment created in 3. with dangling symlinks.