update readme

README.md

@@ -1,23 +1,27 @@
 ## Dump Wechat Messages from Android
 
-### How to use (for now, Linux x64 only):
+### How to use (Linux x64 only):
 
 + Get /data/data/com.tencent.mm/MicroMsg/long-long-name/EnMicroMsg.db from rooted phone:
 + Get wechat uin:
-	+ log on [web-based wechat](https://wx.qq.com); get wxuin=1234567 from `document.cookie`
+	+ login to [web-based wechat](https://wx.qq.com); get wxuin=1234567 from `document.cookie`
 	+ Or get ``default_uin`` from /data/data/com.tencent.mm/shared_prefs/system_config_prefs.xml.
 + Get phone IMEI:
 	+ Call `*#06#` on your phone
 	+ Or find IMEI in system settings
-	+ Or use `adb shell dumpsys iphonesubinfo`
+	+ Or use `adb shell dumpsys iphonesubinfo | grep 'Device ID' | grep -o '[0-9]*'`
 + Decrypt database and get decrypted_database.db:
 ```
 ./decrypt_db.sh <path to EnMicroMsg.db> <imei> <uin>
 ```
-+ Parse and dump messages:
++ Parse and dump messages of every contact:
 ```
 ./dump_msg.py decrypted_database.db output_dir
 ```
++ Dump messages of one contact to html (for now, raw message only):
+```
+./dump_html.py decrypted_database.db CONTACT_NAME
+```
 
 ### TODO
 + parse audio messages, links, emoji and images