diff --git a/admin_manual/maintenance/migrating.rst b/admin_manual/maintenance/migrating.rst
index e4c624b37..3681fcaa4 100644
--- a/admin_manual/maintenance/migrating.rst
+++ b/admin_manual/maintenance/migrating.rst
@@ -48,13 +48,15 @@ the new location. It is also assumed that the authentication method
     import it in the database.
 
 
-#.  Copy all files from your ownCloud instance, the ownCloud program files,
-    the data files, the log files and the configuration files, to the new
-    machine. Depending on the original installation method and the OS the
-    files are located in different locations. On the new system make sure to
-    pick the appropriate locations. If you change any paths, make sure to
-    adopt the paths in the ownCloud config.php file. Note: This step might
-    take several hours, depending on your installation.
+#.  Copy all files from your ownCloud instance, the ownCloud program files, the
+    data files, the log files and the configuration files, to the new
+    machine. The data files should keep their original timestamp (can be done by
+    using ``rsync`` with ``-t`` option) otherwise the clients will re-download
+    all the files after the migration. Depending on the original installation
+    method and the OS the files are located in different locations. On the new
+    system make sure to pick the appropriate locations. If you change any paths,
+    make sure to adopt the paths in the ownCloud config.php file. Note: This
+    step might take several hours, depending on your installation.
 
 
 #.  While still having ownCloud in maintenance mode (confirm!) and **BEFORE**