improve some admonishment titles

docs/merlin6/introduction.md

@@ -1,7 +1,8 @@
 # Introduction
 
-!!! note
-    Merlin6 is no longer accessible for new users! Please have a look at [Merlin 7](../merlin7/01-Quick-Start-Guide/introduction.md) instead.
+!!! failure "Deprecated"
+    Merlin6 is no longer accessible for new users! Please have a look at
+    [Merlin 7](../merlin7/01-Quick-Start-Guide/introduction.md) instead.
 
 ## Slurm clusters
 
@@ -10,7 +11,8 @@ Comprised the **`merlin6`** CPU cluster and the
 cluster (formally called [**`merlin5`**](../merlin5/cluster-introduction.md) is
 kept active with best effort support.
 
-From July 2019, **`merlin6`** becomes the **default Slurm cluster** and any job submitted from the login node will be submitted to that cluster if not.
+From July 2019, **`merlin6`** becomes the **default Slurm cluster** and any job
+submitted from the login node will be submitted to that cluster if not.
 
 * Users can keep submitting to the old *`merlin5`* computing nodes by using the option ``--cluster=merlin5``.
 * Users submitting to the **`gmerlin6`** GPU cluster need to specify the option ``--cluster=gmerlin6``.
@@ -18,6 +20,6 @@ From July 2019, **`merlin6`** becomes the **default Slurm cluster** and any job
 ### Slurm 'merlin6'
 
 **CPU nodes** are configured in a **Slurm** cluster, called **`merlin6`**, and
-this is the ***default Slurm cluster***. Hence, by default, if no Slurm cluster is
-specified (with the `--cluster` option), this will be the cluster to which the jobs
-will be sent.
+this is the ***default Slurm cluster***. Hence, by default, if no Slurm cluster
+is specified (with the `--cluster` option), this will be the cluster to which
+the jobs will be sent.

docs/merlin7/02-How-To-Use-Merlin/merlin_tools.md

@@ -93,7 +93,7 @@ be tracked. In theory any (or all available projects) can be tracked, but due to
 UNIX and Lustre permissions, accessing quotas information for a project you're not
 a member of **is not possible**.
 
-!!! tip
+!!! tip "Updating the project config"
     If you are added/removed from a project, you can update this config file by
     calling `merlin_quotas genconf --all-projects --force`. The
     `--all-projects` will fully check your possible membership to all projects,