diff --git a/content/OTP/Specifications/Test_vectors.adoc b/content/OTP/Specifications/Test_vectors.adoc
index ba073f396..cf011103e 100644
--- a/content/OTP/Specifications/Test_vectors.adoc
+++ b/content/OTP/Specifications/Test_vectors.adoc
@@ -26,7 +26,7 @@ These are static test vectors for the HMAC that is used for both requests and re
 
 |mG5be6ZJU1qBGz24yPh/ESM3UdU=
 |id=1&otp=vvungrrdhvtklknvrtvuvbbkeidikkvgglrvdgrfcdft&nonce=jrFwbaYFhn0HoxZIsd9LQ6w2ceU
-|h=%2Bja8S3IjbX593/LAgTBixwPNGX4%3D
+|h=%2Bja8S3IjbX593%2FLAgTBixwPNGX4%3D
 |=================
 
 === Responses