patch applied (packages/Cabal): Documentation only: grammar fix in comment

[Ian Lynagh]

Sat Sep 13 22:10:08 PDT 2008  Tim Chevalier <chevalier at alum.wellesley.edu>
  * Documentation only: grammar fix in comment

    M ./Distribution/InstalledPackageInfo.hs -2 +2

View patch online:
http://darcs.haskell.org/packages/Cabal/_darcs/patches/20080914051008-d61e2-9e4611a55b0eb4277b80a94aebd3193dff155db6.gz