diff --git a/specs/reply-memo.feature b/specs/reply-memo.feature
index ea16199..2de994a 100644
--- a/specs/reply-memo.feature
+++ b/specs/reply-memo.feature
@@ -2,7 +2,7 @@
 # {"version":1,"tested_at":"2026-08-26T11:43:51.597994833Z","feature_name":"Reply to a Memo","feature_path":"../../specs/reply-memo.feature","background_hash":"e1d5f81f1ed083ac6934c429ca3cb4a0f8d4dac44c2eaa45c0960920bde2c017","implementation_hash":"unknown","scenarios":[{"index":1,"name":"Reply to a Memo - 2 an empty reply is rejected","scenario_hash":"573c450bfab01f83d24545535cdaa4b2bb4c5617c092ff4f1532afa8dc0c20d2","mutation_count":1,"result":{"Total":1,"Killed":1,"Survived":0,"Errors":0},"tested_at":"2026-08-26T11:43:51.597994833Z"}]}
 # acceptance-mutation-manifest-end
 
-# Scenarios: Reply to a Memo - 1, Reply to a Memo - 2, Reply to a Memo - 3, Reply to a Memo - 4, Reply to a Memo - 5, Reply to a Memo - 6, Reply to a Memo - 7
+# Scenarios: Reply to a Memo - 1, Reply to a Memo - 2, Reply to a Memo - 3, Reply to a Memo - 4, Reply to a Memo - 5, Reply to a Memo - 6, Reply to a Memo - 7, Reply to a Memo - 8
 Feature: Reply to a Memo
 
   Background:
@@ -76,3 +76,15 @@ Feature: Reply to a Memo
   Scenario: Reply to a Memo - 7 the thread modal shows a reply form
     Given I open the thread for the post with txid aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
     Then the thread modal shows a reply form
+
+  Scenario Outline: Reply to a Memo - 8 a reply with the authenticated wallet is broadcast from the feed thread modal
+    Given I open the thread for the post with txid aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+    When I type a reply with the text "<message>"
+    When I submit the reply
+    Then the wallet broadcasts an OP_RETURN transaction with the Memo reply prefix
+    Then the thread shows a new reply from my address with the text "<message>"
+
+    Examples:
+      | message |
+      | hello memo |
+      | a wallet-backed reply |