diff --git a/proto/waku/v2/waku.proto b/proto/waku/v2/waku.proto
index b5d3f7cd70..1ce9976156 100644
--- a/proto/waku/v2/waku.proto
+++ b/proto/waku/v2/waku.proto
@@ -4,6 +4,6 @@ package waku.v2;
 
 message WakuMessage {
   optional bytes payload = 1;
-  optional uint32 content_topic = 2; // Follow nim-waku implementation and not the spec
+  optional uint32 content_topic = 2;
   optional uint32 version = 3;
 }