diff --git a/README.md b/README.md
index ba3859b..5bed345 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,9 @@
 # testkit-activator
 re-activate your testkit vita after it expires
+
+
+only works if you have your activation files still
+tm0:activate/act.dat
+tm0:activate/actsig.dat
+
+upon running activate.vpk your activation data will be backed up to pd0:/data/ and ux0:/data/ its highly recommended to make a copy on your PC as well.