Fix grammar and typos for 06.3.md

en/eBook/06.3.md

@@ -1,6 +1,6 @@
 # 6.3 Session storage
 
-We introduced session manager work principle in previous section, we defined a session storage interface. In this section, I'm going to show you an example of memory-based session storage engine that implements the interface. You can change this to others forms of session storage as well.
+We introduced a simple session manager's working principles in the previous section, and among other things, we defined a session storage interface. In this section, I'm going to show you an example of a memory based session storage engine that implements this interface. You can tailor this to other forms of session storage as well.
 
 	package memory
 	
@@ -115,14 +115,14 @@ We introduced session manager work principle in previous section, we defined a s
 	}
 
 
-The above example implemented a memory-based session storage mechanism, then use init() function to register this storage engine to session manager. So how to register this engine?
+The above example implemented a memory based session storage mechanism. It uses its `init()` function to register this storage engine to the session manager. So how to register this engine from our main program?
 
 	import (
 	    "github.com/astaxie/session"
 	    _ "github.com/astaxie/session/providers/memory"
 	)
 
-Use import mechanism to register this engine in init() function automatically to session manager, then we use following code to initialize a session manager:
+We use the blank import mechanism (which will invoke the package's `init()` function automatically) to register this engine to a session manager. We then use the following code to initialize the session manager:
 
 	var globalSessions *session.Manager
 	
@@ -135,5 +135,5 @@ Use import mechanism to register this engine in init() function automatically to
 ## Links
 
 - [Directory](preface.md)
-- Previous section: [How to use session in Go](06.2.md)
+- Previous section: [How to use sessions in Go](06.2.md)
 - Next section: [Prevent hijack of session](06.4.md)