Edit Process Stage Names

Should the following steps be the same for Dynamics CRM Online?  Is there an alternative way of changing them?

http://www.summitgroupsoftware.com/blog/changing-updating-and-adding-sales-stages-microsoft-dynamics-crm-2015

I customised the stage names within the form but only codes were referenced on charts, I've tried the above but it does not appear to have worked.