[trac388] Formatting fix of Changelog

ChangeLog

@@ -1,7 +1,8 @@
-	172.  [func] 	feng
+  172.  [func]      feng
 	Add stop interface into dns server, so we can stop each running
-	server individually.With it, user can reconfigure its running server
+	server individually. With it, user can reconfigure her running server
 	with different ip address or port.
+	(Trac #388, git TBD)
 
   171.  [func]      feng, jerry, jinmei, vorner
 	b10-auth, src/lib/datasrc: in memory data source now works as a