diff --git a/content/docs/rfcs/14/README.md b/content/docs/rfcs/14/README.md
index cbca8da7..56837e00 100644
--- a/content/docs/rfcs/14/README.md
+++ b/content/docs/rfcs/14/README.md
@@ -39,7 +39,7 @@ message WakuMessage {
   optional bytes payload = 1;
   optional uint32 contentTopic = 2;
   optional uint32 version = 3;
-  optional double proof = 5;
+  optional double proof = 4;
 }
 ```