[commit: ghc] master: Fix typo in comment (a6b8b9c)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/a6b8b9c210e0d66b0a975f29fbfb1e753b50e28e/ghc

>---------------------------------------------------------------

commit a6b8b9c210e0d66b0a975f29fbfb1e753b50e28e
Author: Richard Eisenberg <eir at cis.upenn.edu>
Date:   Mon Jun 15 21:01:26 2015 -0400

    Fix typo in comment


>---------------------------------------------------------------

a6b8b9c210e0d66b0a975f29fbfb1e753b50e28e
 compiler/typecheck/TcCanonical.hs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/typecheck/TcCanonical.hs b/compiler/typecheck/TcCanonical.hs
index 47be054..7512e42 100644
--- a/compiler/typecheck/TcCanonical.hs
+++ b/compiler/typecheck/TcCanonical.hs
@@ -679,7 +679,7 @@ Here is one case:
   data family DF a
   newtype instance DF Bool = MkDF Int
 
-Suppose we are canonicalising (Int ~R DF (T a)), where we don't yet
+Suppose we are canonicalising (Int ~R DF (TF a)), where we don't yet
 know `a`. This is *not* a hard failure, because we might soon learn
 that `a` is, in fact, Char, and then the equality succeeds.