Merge pull request statecharts#15 from carloslfu/master

Fix typo in how-to-use-statecharts article

Author: mogsie

how-to-use-statecharts.md

@@ -214,7 +214,7 @@ Finally, the component is allowed to see which state is the "current" state.  Th
 statemachine.currentState.value; // "searching"
 ```
 
-## Implemention
+## Implementation
 
 We've now explained all of the parts necessary to get our UI and the component talking together.