Fixed typos

docs/writing/gotchas.rst

@@ -152,7 +152,7 @@ What You Should Do Instead
 ~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 Well. Here the general solution is arguably a bit of a hack. Due to Python's
-afformentioned behavior concerning evaluating default arguments to functions
+aforementioned behavior concerning evaluating default arguments to functions
 (see :ref:`default_args`), you can create a closure that binds immediately to
 its arguments by using a default arg like so:
 

docs/writing/style.rst

@@ -456,7 +456,7 @@ list of what is considered false.
     if not attr:
         print 'attr is falsey!'
 
-    # or, since None is considered false, explicity check for it
+    # or, since None is considered false, explicitly check for it
     if attr is None:
         print 'attr is None!'