Theme page default title

Hi,
How do you remove my themes default page/post tile from the glossary term.
The title “Blog” appears at the top of each glossary term, i want to know how to remove this. Please see link below to the see the title problem.
Thanks
Brian
http://www.georgiajaneskincare.com/glossary/rose-hydrolate/

https://ww.wp.xz.cn/plugins/wp-glossary/