diff --git a/docs/TEST_VECTORS.md b/docs/TEST_VECTORS.md
index 68c12a8..90c35a1 100644
--- a/docs/TEST_VECTORS.md
+++ b/docs/TEST_VECTORS.md
@@ -5,6 +5,8 @@ some test vectors to help with developing code to AES decode and validate lnurlw
 these have been created by using an actual card and with [a small command line utility](https://github.com/boltcard/boltcard/blob/main/cli/main.go)
 
 ```
+-- bolt card crypto test vectors --
+
 p =  4E2E289D945A66BB13377A728884E867
 c =  E19CCB1FED8892CE
 aes_decrypt_key =  0c3b25d92b38ae443229dd59ad34b85d