update CHANGELOG

CHANGELOG.md

@@ -11,6 +11,7 @@ IMPROVEMENTS:
       RackConnect data to appear
   * buidler/openstakc: Add `ssh_interface` option for rackconnect for users that
       have prohibitive firewalls
+  * builder/virtualbox: Added SCSI support
   * command/push: Add `-name` flag for specifying name from CLI [GH-2042]
   * command/push: Push configuration in templates supports variables [GH-1861]
   * post-processor/docker-save: Can be chained [GH-2179]
@@ -39,7 +40,8 @@ BUG FIXES:
   * builder/docker: validate that `export_path` is not a directory [GH-2105]
   * builder/google: `ssh_timeout` is respected [GH-1781]
   * builder/qemu: Add `disk_discard` option [GH-2120]
-  * builder/virtualbox: Added SCSI support
+  * builder/virtualbox: Remove the floppy controller in addition to the
+      floppy disk. [GH-1879]
   * builder/vmware: Case-insensitive match of MAC address to find IP [GH-1989]
   * builder/vmware: More robust IP parsing from ifconfig output [GH-1999]
   * command/validate: don't crash for invalid builds [GH-2139]