Clarify use of kind 1 and kind 1000-10000

1 files changed, 1 insertions, 1 deletions

diff --git a/01.md b/01.md
index f503860..8126ef1 100644
--- a/01.md
+++ b/01.md
@@ -101,7 +101,7 @@ This NIP defines no rules for how `NOTICE` messages should be sent or treated.
     * Where `<username>` is a string that matches the pattern: `\w[\w\-]+\w` (java regular expression).  Or, in other words, a sequence of the following
            characters: `[a-zA-Z_0-9][a-zA-Z_\-0-9]+[a-zA-Z_0-9]`.  <br>
            Thus `George-Washington-1776` is a valid `<username>`, but `George Washington` is not. Clients may reject metadata that does not comply.
-  - `1`: `text_note`: the `content` is set to the text content of a note (anything the user wants to say).
+  - `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.
 
 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.