Updating README link about Less compilation.

README.md

@@ -89,7 +89,7 @@ $ npm install recess connect uglify-js jshint -g
 ```
 
 + **build** - `make`
-Runs the recess compiler to rebuild the `/less` files and compiles the docs pages. Requires recess and uglify-js. <a href="http://twitter.github.com/bootstrap/less.html#compiling">Read more in our docs &raquo;</a>
+Runs the recess compiler to rebuild the `/less` files and compiles the docs pages. Requires recess and uglify-js. <a href="http://twitter.github.com/bootstrap/extend.html#compiling">Read more in our docs &raquo;</a>
 
 + **test** - `make test`
 Runs jshint and qunit tests headlessly in [phantomjs](http://code.google.com/p/phantomjs/) (used for ci). Depends on having phantomjs installed.