[commit: base] master: Fix a typo; spotted by Mikolaj Konarski (48820fa)

[Ian Lynagh]

Repository : ssh://darcs.haskell.org//srv/darcs/packages/base

On branch  : master

http://hackage.haskell.org/trac/ghc/changeset/48820facb40b5c638c7a380d8474db4c73418a8d

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

commit 48820facb40b5c638c7a380d8474db4c73418a8d
Author: Ian Lynagh <ian at well-typed.com>
Date:   Thu Sep 13 20:22:43 2012 +0100

    Fix a typo; spotted by Mikolaj Konarski

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

 GHC/Conc/Sync.lhs |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/GHC/Conc/Sync.lhs b/GHC/Conc/Sync.lhs
index 5387273..9b7ac82 100644
--- a/GHC/Conc/Sync.lhs
+++ b/GHC/Conc/Sync.lhs
@@ -246,7 +246,7 @@ GHC note: the number of capabilities is specified by the @+RTS -N@
 option when the program is started.  Capabilities can be fixed to
 actual processor cores with @+RTS -qa@ if the underlying operating
 system supports that, although in practice this is usually unnecessary
-(and may actually degrade perforamnce in some cases - experimentation
+(and may actually degrade performance in some cases - experimentation
 is recommended).
 -}
 forkOn :: Int -> IO () -> IO ThreadId