Some updates to cache README

 ## cache
 ## cache
-cache is a golang cache manager. It can use cache for many adapters. The repo is inspired by `database/sql` .
+cache is a Go cache manager. It can use many cache adapters. The repo is inspired by `database/sql` .
 
 
-##How to install
+
+## How to install?
 
 
 	go get github.com/astaxie/beego/cache
 	go get github.com/astaxie/beego/cache
 
 
 
 
-##how many adapter support
+## What adapters are supported?
+
+As of now this cache support memory, Memcache and Redis.
 
 
-Now this cache support memory/redis/memcache	
 
 
-## how to use it
-first you must import it
+## How to use it?
 
 
+First you must import it
 
 
 	import (
 	import (
 		"github.com/astaxie/beego/cache"
 		"github.com/astaxie/beego/cache"
 	)
 	)
 
 
-then init an Cache(memory adapter)
+Then init a Cache (example with memory adapter)
 
 
 	bm, err := NewCache("memory", `{"interval":60}`)	
 	bm, err := NewCache("memory", `{"interval":60}`)	
 
 
-use it like this:	
+Use it like this:	
 	
 	
 	bm.Put("astaxie", 1, 10)
 	bm.Put("astaxie", 1, 10)
 	bm.Get("astaxie")
 	bm.Get("astaxie")
 	bm.IsExist("astaxie")
 	bm.IsExist("astaxie")
 	bm.Delete("astaxie")
 	bm.Delete("astaxie")
 
 
-## memory adapter
-memory adapter config like this:
+
+## Memory adapter
+
+Configure memory adapter like this:
 
 
 	{"interval":60}
 	{"interval":60}
 
 
-interval means the gc time. The cache will every interval time to check wheather have item expired.	
+interval means the gc time. The cache will check at each time interval, whether item has expired.
 
 
-## memcache adapter
-memory adapter use the vitess's [memcache](code.google.com/p/vitess/go/memcache) client.
 
 
-the config like this:
+## Memcache adapter
+
+memory adapter use the vitess's [Memcache](http://code.google.com/p/vitess/go/memcache) client.
+
+Configure like this:
 
 
 	{"conn":"127.0.0.1:11211"}
 	{"conn":"127.0.0.1:11211"}
 
 
 
 
-## redis	 adapter
-redis adapter use the [redigo](github.com/garyburd/redigo/redis) client.
+## Redis adapter
+
+Redis adapter use the [redigo](http://github.com/garyburd/redigo/redis) client.
 
 
-the config like this:
+Configure like this:
 
 
 	{"conn":":6039"}
 	{"conn":":6039"}