docs(lifecycle-hooks): Fixed missing ":marked" typo

closes angular#1051

Author: bampakoa

public/docs/ts/latest/guide/lifecycle-hooks.jade

@@ -64,6 +64,7 @@ a(id="hooks-overview")
     Nonetheless, we strongly recommend adding interfaces to TypeScript directive classes
     in order to benefit from strong typing and editor tooling.  
 
+:marked
   Here are the component lifecycle hook methods:
 
   ### Directives and Components