[GHC] #15410: Fix typos in docs

[GHC]

#15410: Fix typos in docs
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        Reporter:  v0d1ch            |                Owner:  v0d1ch
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Documentation     |              Version:  8.4.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D4979
       Wiki Page:                    |
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Comment (by nomeata):

 @v0d1ch thanks for your contributions, and thanks for cleaning up the
 source this way :-)

 But to make your life easier: I don’t think you necessarily have to create
 a trac ticket first to fix typos; just create the DR.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15410#comment:3>
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