diff --git a/man/fido_cred_set_authdata.3 b/man/fido_cred_set_authdata.3
index dd188026..28e0938e 100644
--- a/man/fido_cred_set_authdata.3
+++ b/man/fido_cred_set_authdata.3
@@ -176,6 +176,9 @@ does not need to call
 .Fn fido_cred_set_authdata ,
 or
 .Fn fido_cred_set_authdata_raw .
+This function may be useful for applications interfacing with the
+WebAuthn API, removing the need to first parse the attestation object to
+verify the credential.
 .Pp
 The
 .Fn fido_cred_set_clientdata