fix formatting

README.md

@@ -57,8 +57,9 @@ We recommend building on Ubuntu 16.04 LTS (64-bit)
 
 **NOTE:** Versions of [Boost](http://www.boost.org/) 1.57 through 1.69 are supported. Newer versions may work, but
 have not been tested. If your system came pre-installed with a version of Boost that you do not wish to use, you may
-manually build your preferred version and use it with BitShares by specifying it on the CMake command line (e.g.
-``cmake -DBOOST_ROOT=/path/to/boost .``.
+manually build your preferred version and use it with BitShares by specifying it on the CMake command line.
+
+Example: ``cmake -DBOOST_ROOT=/path/to/boost .``
 
 **NOTE:** BitShares requires a 64-bit operating system to build, and will not build on a 32-bit OS.