This is a content plugin, to add working shortcodes use syntax as follows in the example:
... part RD 10 [[::rd10::]] ... which will generate ... part RD 10 ⇗ OctoPart.com ... (url to OctoPart.com)
... part RD 10 [[::rd10::]] ...
... part RD 10 ⇗ OctoPart.com ...