Fixed a typo

Author: javiereguiluz

workflow/introduction.rst

@@ -1,8 +1,8 @@
 Workflows and State Machines
 ============================
 
-Worflows
---------
+Workflows
+---------
 
 A workflow is a model of a process in your application. It may be the process of
 how a blog post goes from draft to review and publish. Another example is when a
@@ -51,9 +51,9 @@ your model. The most important differences between them are:
   machines can't;
 * Workflows usually don't have cyclic paths in the definition graph, but it's
   common for state machines;
-* In order to apply a transition, worflows require that the object is in all the
-  previous places of the transition, whereas state machines only require that
-  the object is at least in one of those places.
+* In order to apply a transition, workflows require that the object is in all
+  the previous places of the transition, whereas state machines only require
+  that the object is at least in one of those places.
 
 Example
 ~~~~~~~