ASN1_OBJECT *o;
o = OBJ_nid2obj(NID_commonName);
-Check is an object is B<commonName>
+Check if an object is B<commonName>
if (OBJ_obj2nid(obj) == NID_commonName)
/* Do something */
=head1 RETURN VALUES
-OBJ_nid2obj() returns an ASN1_OBJECT structure or B<NULL> is an
+OBJ_nid2obj() returns an B<ASN1_OBJECT> structure or B<NULL> is an
error occurred.
OBJ_nid2ln() and OBJ_nid2sn() returns a valid string or B<NULL>
on error.
OBJ_obj2nid(), OBJ_ln2nid(), OBJ_sn2nid() and OBJ_txt2nid() return
-a NID or NID_undef on error.
+a NID or B<NID_undef> on error.
=head1 SEE ALSO