Typo correction in gfft link by mrbell

README.rst

@@ -192,7 +192,7 @@ We advice to install the following packages in the order as they appear below. W
 *    Install gfft. **Depending where you installed GSL you may need to change the path in setup.py!**::
 
         sudo port install gsl
-        git clone https://github.com/mrbell/gfft.git}{https://github.com/mrbell/gfft.git
+        git clone https://github.com/mrbell/gfft.git
         sudo python setup.py install
 
 *    Install healpy::