Merge pull request #64 from waldir/patch-1

fix broken msun link, add wikipedia link

README.md

@@ -1,8 +1,9 @@
 ## OpenLibm
 
 OpenLibm is an effort to have a high quality, portable, standalone
-`libm` library. It can be used standalone in applications and
-programming language implementations. 
+C mathematical library ([`libm`](http://en.wikipedia.org/wiki/libm)).
+It can be used standalone in applications and programming language
+implementations. 
 
 The project was born out of a need to have a good `libm` for the
 [Julia programming langage](http://www.julialang.org) that worked
@@ -12,8 +13,8 @@ consistently across compilers and operating systems, and in 32-bit and
 ### History
 
 The OpenLibm code derives from the [FreeBSD
-msun](http://ftp.freebsd.org/pub/FreeBSD/FreeBSD/development/FreeBSD-CVS/src/lib/msun/)
-implementation, which in turn derives from [FDLIBM
+msun](http://svnweb.freebsd.org/base/head/lib/msun/) implementation,
+which in turn derives from [FDLIBM
 5.3](http://www.netlib.org/fdlibm/). As a result, it includes a number
 of fixes and updates to FDLIBM that have accumulated over the years in
 `msun`, and optimized versions of many functions.
@@ -21,7 +22,7 @@ of fixes and updates to FDLIBM that have accumulated over the years in
 ### Platform support
 
 OpenLibm builds on Linux, Mac OS X, and Windows, and with little
-effort, should build on FreeBSD as well. It builds with both, GCC and
+effort, should build on FreeBSD as well. It builds with both GCC and
 clang. Although largely tested on x86, it also includes experimental
 support for ARM. The original `msun` also includes support for mips,
 sparc64, powerpc, ia64, and alpha. These are present in the OpenLibm
@@ -30,5 +31,5 @@ source tree, but no attempt has been made to build any of these.
 ### Build instructions
 
 1. `make` or `make USEGCC=1` to build with GCC. This is the default on
-Linux and Windows.  
+   Linux and Windows.  
 2. `make USECLANG=1` to build with clang. This is the default on OS X.