[Git][ghc/ghc][master] Remove extraneous word in Roles user guide

[Marge Bot (@marge-bot)]

Marge Bot pushed to branch master at Glasgow Haskell Compiler / GHC


Commits:
3e09cf82 by Jan Hrček at 2023-02-06T09:44:38-05:00
Remove extraneous word in Roles user guide

- - - - -


1 changed file:

- docs/users_guide/exts/roles.rst


Changes:

=====================================
docs/users_guide/exts/roles.rst
=====================================
@@ -103,7 +103,7 @@ hand, has its parameter at role nominal, because ``Complex Age`` and
 Role inference
 --------------
 
-What role should a given type parameter should have? GHC performs role
+What role should a given type parameter have? GHC performs role
 inference to determine the correct role for every parameter. It starts
 with a few base facts: ``(->)`` has two representational parameters;
 ``(~)`` has two nominal parameters; all type families' parameters are



View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/3e09cf82ad111e0a6feed81b726849ceaaf3c805

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View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/3e09cf82ad111e0a6feed81b726849ceaaf3c805
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