diff --git a/README.md b/README.md
index 47db3b9..2bb0527 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,16 @@
 ## Disclaimer
 This is just a mirror of an existing file, created for preserving functionalities.
 
-## Mirrored from
+## GUIDE TO THE VERSIONING
+
+### This is for 550a:
+
+libfprint-2-tod-goodix_amd64.deb
+
+### This is for other devices:
+
+libfprint-2-tod1-goodix_0.0.4-0ubuntu1somerville1_amd64.deb
+
+The two can't be installed together
+
 
-  http://dell.archive.canonical.com/updates/pool/public/libf/libfprint-2-tod1-goodix/libfprint-2-tod1-goodix_0.0.6-0ubuntu1~somerville1_amd64.deb