Fix the changelog.

debian/changelog

@@ -1,9 +1,10 @@
 lubuntu-default-settings (1.4) UNRELEASED; urgency=medium
 
   * Remove /usr/share/applications; these files are native in LXQt.
-  * Don't launch a file manager on Ctrl + Alt + D, because that already
-    shows the desktop in LXQt.
-  * Remove the volume button shortcuts as these are built into LXQt.
+  * Refine the Openbox config (LP: #1781511):
+    - Don't launch a file manager on Ctrl + Alt + D, because that already
+      shows the desktop in LXQt.
+    - Remove the volume button shortcuts as these are built into LXQt.
 
  -- Simon Quigley <tsimonq2@ubuntu.com>  Fri, 20 Jul 2018 01:28:38 -0500