diff --git a/07.md b/07.md
index 4c7a6838..27bd5757 100644
--- a/07.md
+++ b/07.md
@@ -15,6 +15,7 @@ async window.nostr.getPublicKey(): string // returns a public key as hex
 async window.nostr.signEvent(event: Event): Event // takes an event object and returns it with the `sig`
 ```
 
-### Implementation example
+### Implementation
 
-- [nos2x](https://github.com/fiatjaf/nos2x) is available as a Chromium (and partially Firefox) extension that provides such capabilities.
+- [nos2x](https://github.com/fiatjaf/nos2x) is available as a Chromium extension that provides such capabilities.
+- [Alby](https://getalby.com) is a Bitcoin extension that also provides a compatible `window.nostr`.