diff --git a/07.md b/07.md
index 6c663224..9f836d87 100644
--- a/07.md
+++ b/07.md
@@ -24,6 +24,10 @@ async window.nostr.nip44.encrypt(pubkey, plaintext): string // returns ciphertex
 async window.nostr.nip44.decrypt(pubkey, ciphertext): string // takes ciphertext as specified in nip-44
 ```
 
+### Recommendation to Extension Authors
+To make sure that the `window.nostr` is available to nostr clients on page load, the authors who create Chromium and Firefox extensions should load their scripts by specifying `"run_at": "document_end"` in the extension's manifest.
+
+
 ### Implementation
 
 See https://github.com/aljazceru/awesome-nostr#nip-07-browser-extensions.