diff --git a/README.md b/README.md
index ba91479..a093702 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ python dpt-tools.py --diagnosis
 
 Or in the original interative shell, type `diagnosis`. And then follow the instructions.
 
-### Obtain ADB and shell sudo access
+### Obtain ADB (with modified boot.img)
 
 In the diagnosis mode, first backup your bootimg by `backup-bootimg`. It will back up the `boot.img` to `/root/boot.img.bak` and also automatically pull the file from device to the local folder (same as code directory). The pull will take about 20min. 
 
@@ -63,6 +63,10 @@ After the upload, it will tell you the MD5 of that file in case of corruption. P
 
 It will ask you to confirm if you want to continue, type `yes` after you verify the MD5.
 
+### Obtain shell sudo access (not fully tested)
+
+Thanks `silvertriclops` and I should have fixed my script. If not message me. If the following process fails, it should be recoverable. If you are not comfortable trying blackbox, just following the `update-binary` in the SuperSU zip. Or you can choose to wait a flashable pkg coming up. Happy playing with your "new" ink-display tablet.
+
 After success, type `get-su-bin` to enable sudo access in shell.
 
 Finally, type `reboot &` and close the tool by pressing `Ctrl +C` or type `exit` or `quit`.