Bug 1858143: Fix a couple of 'user' instances in LTI module

Change-Id: Ida3d697e0fced01092d0504102c3e207b5da7b70
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>

htdocs/module/lti/lang/en.utf8/module.lti.php

@@ -15,8 +15,8 @@ $string['archive'] = 'Archive when graded';
 $string['archivedescription'] = 'After a grade has been awarded, a snapshot of the portfolio will be taken.';
 $string['autoconfiguredesc'] = 'Automatically enable settings and configurations needed for LTI.';
 $string['autoconfiguretitle'] = 'Auto-configure LTI';
-$string['autocreateusers'] = 'Auto-create users';
-$string['autocreationnotenabled'] = 'Auto-creation of user accounts is not enabled';
+$string['autocreateusers'] = 'Auto-create accounts';
+$string['autocreationnotenabled'] = 'Auto-creation of accounts is not enabled';
 $string['portfolioname'] = 'Portfolio title';
 $string['configstep'] = 'Configuration item';
 $string['configstepstatus'] = 'Status';