Tweak iOS build instructions

Change-Id: I05a8e46f6db0eb5914f88a04dca90dec4441b5c1

docs/source/building.rst

diff --git a/docs/source/building.rst b/docs/source/building.rst
index e37d504..2d47fd8 100644
--- a/docs/source/building.rst
+++ b/docs/source/building.rst
@@ -332,9 +332,8 @@
 
    You need iOS version 6.0 or higher to build Ceres Solver.
 
-To build Ceres for iOS, we need to force ``CMake`` to find the
-toolchains from the iOS SDK instead of using the standard ones.
-The following incanation does the needful:
+To build Ceres for iOS, we need to force ``CMake`` to find the toolchains from
+the iOS SDK instead of using the standard ones. For example:
 
 .. code-block:: bash
 
@@ -349,16 +348,16 @@
 one static library.  See ``cmake/iOS.cmake`` for more options.
 
 After building, you will get ``libceres.a`` and ``libminiglog.a``
-You need to add these two libraries into your xcode project.
+You need to add these two libraries into your XCode project.
 
-The default cmake configuration builds a bare bones version of Ceres
+The default CMake configuration builds a bare bones version of Ceres
 Solver that only depends on Eigen and MINIGLOG, this should be
 sufficient for solving small to moderate sized problems (No
 ``SPARSE_SCHUR``, ``SPARSE_NORMAL_CHOLESKY`` linear solvers and no
 ``CLUSTER_JACOBI`` and ``CLUSTER_TRIDIAGONAL`` preconditioners).
 
 If you decide to use ``LAPACK`` and ``BLAS``, then you also need to add
-``Accelerate.framework`` to your xcode project's linking dependency.
+``Accelerate.framework`` to your XCode project's linking dependency.
 
 .. _section-customizing: