<section class="container peer-grading-container">
<h2>Peer Grading</h2>
    % if use_for_single_location:
        <p>Peer grading for this problem is closed at this time.</p>
    %else:
        <p>Peer grading is closed at this time.</p>
    %endif
</section>

<section class="container peer-grading-container">
<h2>Peer Grading</h2>
    <p>The due date has passed, and
    % if use_for_single_location:
        peer grading for this problem is closed at this time.
    %else:
        peer grading is closed at this time.
    %endif
    </p>
</section>

Make the text on the peer grading closed page clearer
Make the text on the peer grading closed page clearer
