diff --git a/README.md b/README.md
index a94d24f..cab5026 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
 # TOTP
 
-Simple tool to generate TOTP codes on the command line from a [andOTP](https://github.com/andOTP/andOTP) backup file.
\ No newline at end of file
+Simple tool to generate TOTP codes on the command line from a [andOTP](https://github.com/andOTP/andOTP) backup file.
+
+Key generation stolen from https://github.com/djui/dot-files/blob/1d543dd1e6514e3c76df2e95efbb2a223370d4d4/dot-bin/totp
\ No newline at end of file