[commit: ghc] ghc-8.6: Fix typo in 8.6.1 notes (2154566)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : ghc-8.6
Link       : http://ghc.haskell.org/trac/ghc/changeset/21545666256104f6b6b8b3cfd2eda48d99ece07c/ghc

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commit 21545666256104f6b6b8b3cfd2eda48d99ece07c
Author: Krzysztof Gogolewski <krz.gogolewski at gmail.com>
Date:   Tue Aug 28 22:31:22 2018 +0200

    Fix typo in 8.6.1 notes
    
    (cherry picked from commit 34b8e613606653187f1ffae36a83e33f0c673720)


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21545666256104f6b6b8b3cfd2eda48d99ece07c
 docs/users_guide/8.6.1-notes.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/users_guide/8.6.1-notes.rst b/docs/users_guide/8.6.1-notes.rst
index fccc0d1..13fd354 100644
--- a/docs/users_guide/8.6.1-notes.rst
+++ b/docs/users_guide/8.6.1-notes.rst
@@ -35,7 +35,7 @@ Language
   the common ``MonadTrans`` typeclass could now make the expectation that an
   applied transformer is must be a ``Monad`` ::
 
-      class (forall a. Monad m => Monad (t m)) => MonadTrans t where {- ... -}
+      class (forall m. Monad m => Monad (t m)) => MonadTrans t where {- ... -}
 
   Additionally, quantification can enable terminating instance resolution
   where this previously was not possible. See :ref:`quantified-constraints` for