doc: Changelog entry

debian/changelog

@@ -1,9 +1,14 @@
-livecd-rootfs (2.664.49) UNRELEASED; urgency=medium
+livecd-rootfs (2.664.50) UNRELEASED; urgency=medium
 
+  [ Steve Langasek ]
   * Revert previous change; the image builds did not fail in focal, and this
     change introduced a regression (LP #2027686).
 
- -- Steve Langasek <steve.langasek@ubuntu.com>  Fri, 14 Jul 2023 09:31:55 -0700
+  [ jchittum ]
+  * bring back --removable, and addresses the missing GRUB_DISTRIBUTOR
+    issue. LP: 2034253
+
+ -- jchittum <john.chittum@canonical.com>  Fri, 08 Sep 2023 08:35:15 -0500
 
 livecd-rootfs (2.664.48) focal; urgency=medium