How to change the Title of my Enterprise Wiki & how to show the rating starts

I have the following two problems inside my Enterprise Wiki Template:-

1. I am unable to change the title of the Page from “SharePoint” to “My company name”.
2. Also the rating stats will not show up when the page load first time,, and I have to refresh the page to display them.

I have marked the two problems in red as shown in the below image:-