diff --git a/docs/overview/concepts/content-topics.md b/docs/overview/concepts/content-topics.md
index 8f63442..f44856a 100644
--- a/docs/overview/concepts/content-topics.md
+++ b/docs/overview/concepts/content-topics.md
@@ -19,3 +19,7 @@ For instance, if your dApp is called `SuperCrypto` and it allows users to receiv
 
 - `/supercrypto/1/notification/proto`
 - `/supercrypto/1/private-message/proto`
+
+:::info
+While you can choose any encoding format for your `Content Topic`, we highly recommend using [Protobuf](https://protobuf.dev/) (`proto`) because of its efficiency. Choosing a lightweight format ensures optimal performance of your dApp.
+:::
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