Update try-catch.md

error/try-catch.md

@@ -2,11 +2,11 @@
 
 Certain constructs like `try/catch` are considered not optimizable by the JavaScript engine, so avoid handling business logic inside.
 
-Just pass an error handler as a callback for this type of things.
+Instead, just pass an error handler as a callback for this type of things.
 
 Or maybe the thing that you need to avoid is synchronous code? :P
 
-A good approach for supporting optimization with throweable code is to return an `Error` and later and check the type.
+A good approach for allowing optimization with throwable code is to return an `Error` and later check the type of the returned object.
 
 ```js
 function maybeError () {