diff --git a/README.md b/README.md
index b3f0ddc..322233b 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,8 @@ running at a clock speed of 100MHz. The test design is in `arty_test`.
 
 ## License
 
-All source code is licensed under the CERN-OHL-W v2 or later.
+All source code is licensed under the CERN-OHL-W v2 or later, unless
+otherwise noted.
 
 ## Usage
 
diff --git a/boothmul.v b/boothmul.v
index 0c955d6..b6b96d5 100644
--- a/boothmul.v
+++ b/boothmul.v
@@ -1,5 +1,4 @@
-`define DEBUG
-/* Booth Multiplication v0.1
+/* Booth Multiplication v1.0
  * Written by Peter McGoron, 2022.
  *
  * This source describes Open Hardware and is licensed under the