Improve DBpedia page typos and improvements

[sunitharavi9]

http://dev.dbpedia.org/Improve_DBpedia has a couple of typos as well as TODO's. Anyone new who would like to contribute is likely to land on this page, so it would be nice to fix it.

@kurzum if it's okay, I would like to work on this.

[Phoenix6296]

Hello @isunitha98selvan. Can you please assign this issue to me?