Fix permissions for article edition

apps/rp/views/articles.py

@@ -90,7 +90,7 @@ class ArticleDetailView(LoginRequiredMixin, DetailView):
 
 class ArticleEdit(PermissionRequiredMixin, UpdateView):
     model = Article
-    permission_required = 'can_edit'
+    permission_required = 'rp.can_edit'
 
     fields = ['screenshot', 'url', 'lang', 'title', 'tags', 'extracts']
     success_url = reverse_lazy("rp:article-list")