Document the recursive option
@@ -13,6 +13,7 @@ B<openssl> B<storeutl>
[B<-passin arg>]
[B<-text arg>]
[B<-engine id>]
+[B<-r>]
B<uri> ...
=head1 DESCRIPTION
@@ -54,6 +55,10 @@ to attempt to obtain a functional reference to the specified engine,
thus initialising it if needed.
The engine will then be set as the default for all available algorithms.
+=item B<-r>
+
+Fetch objects recursively when possible.
+
=back
=head1 SEE ALSO
