Fix example for VS2012.

llvm-svn: 206544
diff --git a/llvm/docs/CMake.rst b/llvm/docs/CMake.rst
index 3049ac0..f0f1726 100644
--- a/llvm/docs/CMake.rst
+++ b/llvm/docs/CMake.rst
@@ -87,7 +87,7 @@
 
 .. code-block:: console
 
-  $ cmake -G "Visual Studio 10" path/to/llvm/source/root
+  $ cmake -G "Visual Studio 11" path/to/llvm/source/root
 
 For a given development platform there can be more than one adequate
 generator. If you use Visual Studio "NMake Makefiles" is a generator you can use