$string['auth_cas_proxycas_key'] = "Proxy mode";
$string['auth_cas_logoutcas_key'] = "Logout CAS";
$string['auth_cas_multiauth_key'] = "Multi-authentication";
-$string['auth_cas_proxycas'] = "Turn this to 'yes'' if you use CASin proxy-mode";
-$string['auth_cas_logoutcas'] = "Turn this to 'yes'' if tou want to logout from CAS when you deconnect from Moodle";
-$string['auth_cas_multiauth'] = "Turn this to 'yes'' if you want to have multi-authentication (CAS + other authentication)";
+$string['auth_cas_proxycas'] = 'Turn this to \'yes\' if you use CASin proxy-mode';
+$string['auth_cas_logoutcas'] = 'Turn this to \'yes\' if tou want to logout from CAS when you deconnect from Moodle';
+$string['auth_cas_multiauth'] = 'Turn this to \'yes\' if you want to have multi-authentication (CAS + other authentication)';
$string['accesCAS'] = "CAS users";
$string['accesNOCAS'] = "other users";
$string['CASform'] = "Authentication choice";