fix a typo

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@195760 91177308-0d34-0410-b5e6-96231b3b80d8

Author: ggreif

docs/CrossCompilation.rst

@@ -190,7 +190,7 @@ Multilibs
 
 When you want to cross-compile to more than one configuration, for
 example hard-float-ARM and soft-float-ARM, you'll have to have multiple
-copies of you libraries and (possibly) headers.
+copies of your libraries and (possibly) headers.
 
 Some Linux distributions have support for Multilib, which handle that
 for you in an easier way, but if you're not careful and, for instance,