how to change title of forum front page

i want to change the title of my website home page. for now it says Forums - site name. i just want site name to appear as title in front page.

i tried changing the global template but it change the title for ever page. like if i try to open a thread it still shows site name as title. this issue occurs when i create multiple sections.



if i remove xyz section the title changes to "bug bounty - site name "

please help.