While logged in, click on "My Blog Posts" in the upper left to view all of your blog posts. Find the blog post with the unwanted comment and click on the title to view the entire blog post and scroll down to the bottom to see the comments. Click "Delete" on the unwanted post to remove it permanently.
Lets go fishinI'm shy and soft spoken when i meet someone, but once I start getting to know them i start to open up and i'm not so shy. ask me anything you wanna know