fix(messages): Improve Linkwarden serverfolder explanation

see #1937

Signed-off-by: Marcel Klehr <[email protected]>

Author: marcelklehr

_locales/en/messages.json

@@ -162,7 +162,7 @@
     "message": "When syncing, your bookmarks in this browser will be stored as links under this path on the server. Note, that this path represents a folder in the Nextcloud Bookmarks app, not a folder in Nextcloud Files. Leave this empty to just put all links in the topmost folder on the server."
   },
   "DescriptionServerfolderlinkwarden": {
-    "message": "When syncing, your bookmarks in this browser will be stored as links under this collection."
+    "message": "When syncing, your bookmarks in this browser will be stored as links under this collection and only links under this collection will be synced with this browser."
   },
   "LabelLocaltarget": {
     "message": "Local target"