Update oc.json (#5343)

app/javascript/mastodon/locales/oc.json

@@ -201,7 +201,7 @@
   "tabs_bar.notifications": "Notificacions",
   "upload_area.title": "Lisatz e depausatz per mandar",
   "upload_button.label": "Ajustar un mèdia",
-  "upload_form.description": "Descripcion se per cas i aja un problèma",
+  "upload_form.description": "Descripcion pels mal vesents",
   "upload_form.undo": "Anullar",
   "upload_progress.label": "Mandadís…",
   "video.close": "Tampar la vidèo",