Correct a typo in index.rst

doc/index.rst

@@ -7,7 +7,7 @@ Pyalpm documentation
 =====================
 
 Pyalpm is a Python package that provides you native bindings to both libalpm
-and pacman. If you need to interact with alpm databases or programatically call
+and pacman. If you need to interact with alpm databases or programmatically call
 pacman in a safe, sensible way, you're in the right place.