--- a/Allura/allura/controllers/discuss.py
+++ b/Allura/allura/controllers/discuss.py
@@ -285,6 +285,9 @@
             self.post.edit_count = self.post.edit_count + 1
             self.post.last_edit_date = datetime.utcnow()
             self.post.last_edit_by_id = c.user._id
+            g.director.create_activity(c.user, 'modified', self.post,
+                    target=self.post.thread.artifact or self.post.thread,
+                    related_nodes=[self.post.app_config.project])
             redirect(request.referer)
         elif request.method=='GET':
             if version is not None: