Update summit docs link

Author: shuds13

docs/platforms/summit.rst

@@ -203,8 +203,8 @@ Additional Information
 See the OLCF guides_ for more information about Summit.
 
 .. _conda: https://conda.io/en/latest/
-.. _guides: https://www.olcf.ornl.gov/for-users/system-user-guides/summit/
+.. _guides: https://docs.olcf.ornl.gov/systems/summit_user_guide.html
 .. _LSF: https://www.olcf.ornl.gov/wp-content/uploads/2018/12/summit_workshop_fuson.pdf
 .. _mpi4py: https://mpi4py.readthedocs.io/en/stable/
 .. _resource sets: https://docs.olcf.ornl.gov/systems/summit_user_guide.html#job-launcher-jsrun
-.. _Summit: https://www.olcf.ornl.gov/for-users/system-user-guides/summit/
+.. _Summit: https://docs.olcf.ornl.gov/systems/summit_user_guide.html