diff --git a/pages/merlin6/02 accessing-merlin6/archive.md b/pages/merlin6/02 accessing-merlin6/archive.md
index cbfa980..9130555 100644
--- a/pages/merlin6/02 accessing-merlin6/archive.md	
+++ b/pages/merlin6/02 accessing-merlin6/archive.md	
@@ -27,11 +27,19 @@ embargo period expires.***
 The Merlin cluster is connected to the Data Catalog. Hence, users archive data stored in the 
 Merlin storage under the ``/data`` directories (currentlyi, ``/data/user`` and ``/data/project``).
 Archiving from other directories is also possible, however the process is much slower as data
-can not be directly retrieved by the PSI archive central servers (**central mode**, and needs to 
+can not be directly retrieved by the PSI archive central servers (**central mode**), and needs to 
 be indirectly copied to these (**decentral mode**).
 
 Archiving can be done from any node accessible by the users (usually from the login nodes).
 
+{{site.data.alerts.tip}}<b>'Central mode':</b> Possible for the user and project data directories, is the
+fastest way as it does not require remote copy (data is directly retreived by central AIT servers from Merlin
+through 'merlin-archive.psi.ch').
+
+<b>'Decentral mode':</b> Possible for any directory, is the slowest way of archiving as it requires
+to copy ('rsync') the data from Merlin to the central AIT servers.
+{{site.data.alerts.end}}
+
 ## Procedure
 
 ### Overview