updating readme

Author: pmunin

readme.md

@@ -1,12 +1,17 @@
 # Try-catch-finally-hooks
 
-Try-catch-finally-hooks is a simple AOP-ish toolset that lets to wrap sync and async functions and class methods with hooks, that let:
+![NPM Version](https://img.shields.io/npm/v/try-catch-finally-hooks)
 
-- override:
-  - input parameters
-  - result
-  - this arg
+This is a simple AOP-ish toolset that lets to wrap sync and async functions and class methods with hooks which let you:
+
+- override onTry:
+  - function's input parameters
+  - function's this arg
   - function itself (hook can conditionally do some extra wrapping)
-- handle and override error
+- handle and override error (onCatch, onFinally)
+  - function's result
+  - function's error to (re-)throw
 
 It supports using as decorator, function wrapper or scope of anonymous function
+
+See [specs](./specs) for examples