Summary: Update of the link _Infer worfklow_ in https://fbinfer.com/docs/hello-world/#differential-analysis to a correct link. Verified on locally started website. Signed-off-by: Petr Plavjanik <plavjanik@gmail.com> Pull Request resolved: https://github.com/facebook/infer/pull/1347 Reviewed By: da319 Differential Revision: D25638010 Pulled By: jvillard fbshipit-source-id: 0e7fcb090