Update plugin-api.rst

docs/plugin-api.rst

@@ -77,7 +77,7 @@ to the highlighting engine.  If you add a ``result`` key to the object that
 result will be returned as the overall result and the internal highlighting code
 will never even be called.
 
-If you're plugin plans to make its own recursive calls to ``highlight`` you'll
+If your plugin plans to make its own recursive calls to ``highlight`` you'll
 need to manually handle this. Each time ``highlight`` is called your plugin
 callbacks will also be called - making it easy to get into an infinite loop.
 You'll likely need to use a class based plugin and add a guard so that your