diff --git a/4e.md b/4e.md
index 67f2021d..6acbc2bb 100644
--- a/4e.md
+++ b/4e.md
@@ -51,7 +51,7 @@ There are probably other advantages to not tying the user's identity to the keys
   "pubkey": "<A>",
   "tags": [
     ["client", "Tortilla on Android"],
-    ["pubkey", "<T>"]
+    ["P", "<T>"]
   ]
 }
 ```