Typo in Create or Edit Section

Replace "over write" with "overwrite".

Author: YClayton

docs/src/config/pncconf.adoc

@@ -45,7 +45,7 @@ This allows you to select a previously saved configuration or create a new one.
 If you pick 'Modify a configuration' and then press 'Next' a file selection box
 will show. PnCconf preselects your last saved file. Choose the config you
 wish to edit. If you made any changes to the main HAL or INI files *PnCconf will
-over write* those files and those changes will be lost. Some files will not be
+overwrite* those files and those changes will be lost. Some files will not be
 over written and PnCconf places a note in those files. It also allows you to
 select desktop shortcut / launcher options. A desktop shortcut will place a
 folder icon on the desktop that points to your new configuration files.