Some Problems With My Feeds. Generating First Post Titles With Site Title.

Hello, I have some problem with my site,
Feed Url : http://www.maherhackers.com/feed
Feedburner Url : http://feeds.feedburner.com/MaherHackers

When I Visit My Feedburnet It Shows : First Post Title Along With Site Title.
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Any Solution? Please Help Friends. Thanks.