fix

@@ -36,10 +36,9 @@ Here is the canonical "Hello, world" example app for beego:
 		//beego.HttpPort = 8080 // default
 		beego.Run()
 	}
+```
 
-default port:8080
-
-	http get http://localhost:8080
+	http get http://localhost:8080/
 	HTTP/1.1 200 OK
 	Content-Type: text/plain; charset=utf-8
 	Date: Sat, 15 Dec 2012 16:03:00 GMT
@@ -408,4 +407,4 @@ after set the log levels, in the logs function which below the setlevels willn't
 
 after set levels to beego.LevelError
 
-Trace, Debug, Info, Warn will not output anything. So you can change it when in dev and prod mode.
+Trace, Debug, Info, Warn will not output anything. So you can change it when in dev and prod mode.
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