diff --git a/01.md b/01.md
index 8d16433d..dd4d80bf 100644
--- a/01.md
+++ b/01.md
@@ -99,7 +99,7 @@ This NIP defines no rules for how `NOTICE` messages should be sent or treated.
 
   - `0`: `set_metadata`: the `content` is set to a stringified JSON object `{name: <username>, about: <string>, picture: <url, string>}` describing the user who created the event. A relay may delete past `set_metadata` events once it gets a new one for the same pubkey.
   - `1`: `text_note`: the `content` is set to the text content of a note (anything the user wants to say). Non-plaintext notes should instead use kind 1000-10000 as described in [NIP-16](16.md).
-  - `2`: `recommend_server`: the `content` is set to the URL (e.g., `https://somerelay.com`) of a relay the event creator wants to recommend to its followers.
+  - `2`: `recommend_server`: the `content` is set to the URL (e.g., `wss://somerelay.com`) of a relay the event creator wants to recommend to its followers.
 
 A relay may choose to treat different message kinds differently, and it may or may not choose to have a default way to handle kinds it doesn't know about.