diff --git a/lib/shared/messages/reaction-message-spec.js b/lib/shared/messages/reaction-message-spec.js
--- a/lib/shared/messages/reaction-message-spec.js
+++ b/lib/shared/messages/reaction-message-spec.js
@@ -55,7 +55,7 @@
     const creator = ET.user({ userInfo: messageInfo.creator });
     const preview =
       messageInfo.action === 'add_reaction'
-        ? 'reacted to a message'
+        ? `reacted ${messageInfo.reaction} to a message`
         : 'unreacted to a message';
     return ET`${creator} ${preview}`;
   },
@@ -171,7 +171,7 @@
     const creator = ET.user({ userInfo: messageInfo.creator });
     const body =
       messageInfo.action === 'add_reaction'
-        ? 'reacted to your message'
+        ? `reacted ${messageInfo.reaction} to your message`
         : 'unreacted to your message';
 
     let merged = ET`${creator} ${body}`;