There shouldn't be an issue connected with the title for search engines. For your convenience I have recorded a sample video demonstration
. Please make sure that you publish the page after you made the changes to its title.
If the problem still exist please open a support ticket, where you can send us login credentials to your web site in order to investigate the problem deeply.
the Telerik team
Do you want to have your say in the Sitefinity development roadmap? Do you want to know when a feature you requested is added or when a bug fixed? Explore the Telerik Public Issue Tracking
system and vote to affect the priority of the items