README: small fixups

README.rst

@@ -89,10 +89,10 @@ A keystroke can be:
 
 
 :code:`key` module
----------------------
+------------------
 
 This submodule contains a list of available keys to compare against. The constants are defined depending on your operating system, so it should be
-fully portable. If a key is listed here for your platform, :code:`readkey()` can read it and you can compare against it.
+fully portable. If a key is listed here for your platform, :code:`readkey()` can read it, and you can compare against it.
 
 
 OS Support
@@ -165,7 +165,7 @@ In order to develop and run the tests, follow these steps:
 
       make
 
-    (or run the command used inside the Makefile manually, if you don't have/want :code:`make`)
+    (or run the commands used inside the Makefile manually, if you don't have/know :code:`make`)
 
 
 Please, **Execute the tests before any pull-request**. This will avoid invalid builds.