Comment 4 for bug 1334576

I am changing the lang strings talking about notification expiry to the following for Mahara 1.10:

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<p><strong>Note:</strong> The following notification types expire automatically when you choose an email notification option and are deleted from your inbox after 6 months:</p>
<ul>
<li>Page access notifications</li>
<li>Watchlist notifications</li>
<li>Institution messages</li>
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