Made changes requested in code review

Author: kmvanbrunt

CHANGELOG.md

@@ -3,11 +3,12 @@
     * Added ability to include command name placeholders in the message printed when trying to run a disabled command.
         * See docstring for ``disable_command()`` or ``disable_category()`` for more details.
 * Potentially breaking changes
-    * The following commands now write to stderr instead of stdout when printing an error. This will making catching
+    * The following commands now write to stderr instead of stdout when printing an error. This will make catching
     errors easier in pyscript.
         * ``do_help()`` - when no help information can be found
         * ``default()`` - in all cases since this is called when an invalid command name is run
         * ``_report_disabled_command_usage()`` - in all cases since this is called when a disabled command is run
+    * Removed *** from beginning of error messages printed by `do_help()` and `default()`.
 
 ## 0.9.11 (March 13, 2019)
 * Bug Fixes