README: Fix repo link

Author: 1st1

README.rst

@@ -39,7 +39,7 @@ To build uvloop, you'll need `Cython` and Python 3.5.  The best way
 is to create a virtual env, so that you'll have `cython` and `python`
 commands pointing to the correct tools.
 
-1. `git clone --recursive https://github.com/1st1/uvloop.git`
+1. `git clone --recursive git@github.com:MagicStack/uvloop.git`
 
 2. `cd uvloop`