diff --git a/inbox/burner.xml b/inbox/burner.xml
index 7218abe6..1d7ff022 100644
--- a/inbox/burner.xml
+++ b/inbox/burner.xml
@@ -161,7 +161,7 @@
     It may be impractical to store verification information for every burner JID
     issued by the system.
     To this end it is RECOMMENDED that the localpart of a burner JID be an
-    HMAC-SHA-2 which includes the users JID or another unique identifier, an
+    HMAC-SHA-256 which includes the users JID or another unique identifier, an
     expiration or issued time for the burner JID if appropriate, TLS channel
     binding information, session information, or any other data the server
     wishes to verify.