Formatting update in change log

Author: kmvanbrunt

CHANGELOG.md

@@ -4,9 +4,9 @@
       the typed value differed from what the setter had converted it to.
     * Fixed bug where ANSI style sequences were not correctly handled in `utils.truncate_line()`. 
     * Fixed bug where pyscripts could edit `cmd2.Cmd.py_locals` dictionary.
-    * Fixed bug where cmd2 set sys.path[0] for a pyscript to cmd2's working directory instead of the 
+    * Fixed bug where cmd2 set `sys.path[0]` for a pyscript to cmd2's working directory instead of the 
     script file's directory.
-    * Fixed bug where sys.path was not being restored after a pyscript ran.
+    * Fixed bug where `sys.path` was not being restored after a pyscript ran.
 * Enhancements
     * Renamed set command's `-l/--long` flag to `-v/--verbose` for consistency with help and history commands.
     * Setting the following pyscript variables: