\fBXAUTH\fP secrets are IKEv1 only.
.TP
.B : PIN <smartcard selector> <pin code> | %prompt
-The format
+IKEv1 uses the format
.B "%smartcard[<slot nr>[:<key id>]]"
-is used to specify the smartcard selector (e.g. %smartcard1:50). For IKEv1,
-instead of specifying the pin code statically,
+to specify the smartcard selector (e.g. %smartcard1:50).
+The IKEv2 daemon supports multiple modules with the format
+.B "%smartcard[<slot nr>[@<module>]]:<keyid>"
+, but always requires a keyid to uniquely select the correct key. Instead of
+specifying the pin code statically,
.B %prompt
-can be specified, which causes the pluto daemon to ask the user for the pin
-code.
+can be specified, which causes the daemons to ask the user for the pin code.
.LP
.SH FILES