At the beginning of the creation of an online store, it is necessary to adjust the Title (the inscription on the Site tab)
or Title (which appears when you hover the inscription on the Site tab)
First set up the label "E-shop"
To this end, the site admin area, you have to pass: "Info pages / Pages / Blocks":
Next you need to edit an article "MainPage info":
In the window that opens, in the Meta Title prescribe the desired text (in all available languages):