compiler/GHC/Tc/Errors/Types.hs parse failure

Summary

compiler/GHC/Tc/Errors/Types.hs exhibits parse failure when compiled with ghc options -haddock with build compiler 8.10.4

compiler/GHC/Tc/Errors/Types.hs:1922:7: error:
    parse error on input ‘}’
     |
1922 |       }
     |       ^