Site template differences - STS#0 and EHS#1

If there is any difference in those templates, it'd help first if you could even make a site using that template. Whether you use the GUI or powershell's new-sposite cmdlet with that template selected, the system will change your Title to '[Tenant Org] Team Site' and template to STS#0. I've looked for any reference to this but haven't found any yet. I'll concede that this issue could be particular to our Tenant, so just asking if anyone else has noticed this behavior on theirs? Thanks!