Add the missing word: "see"
{$a->url}';
$string['submissionreceipthtml'] = 'You have submitted an
assignment submission for \'<i>{$a->assignment}</i>\'<br /><br />
-You can the status of your <a href="{$a->url}">assignment submission</a>.';
+You can see the status of your <a href="{$a->url}">assignment submission</a>.';
$string['submissionreceiptsmall'] = 'You have submitted your assignment submission for {$a->assignment}';
$string['submissionslocked'] = 'This assignment is not accepting submissions';
$string['submissionslockedshort'] = 'Submission changes not allowed';