Fix link errors in Detectron1-Comparisons
Fix link errors in Detectron1-Comparisons

Summary: Pull Request resolved: https://github.com/facebookresearch/detectron2/pull/823

Differential Revision: D19807060

Pulled By: ppwwyyxx

fbshipit-source-id: 50a7e99b383de6cf191fb2585cdd7c8f47ce21a8

facebookresearch/detectron2,facebookresearch/detectron2,facebookresearch/detectron2