Wording tweaks.

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 Copyright 2004 The Apache Software Foundation

<summary>

    <p><code>htcacheclean</code> is used to keep the size of

    <module>mod_disk_cache</module>'s storage within a certain limit. This

    tool can be either run manually or in daemon mode. When running in

    tool can run either manually or in daemon mode. When running in

    daemon mode, it sleeps in the background and checks the cache directories

    in regular intervals for stuff to be removed. You can stop the daemon

    cleanly, when sending him a TERM or INT signal.</p>

    at regular intervals for cached content to be removed. You can stop the daemon

    cleanly by sending it a TERM or INT signal.</p>

</summary>

<seealso><module>mod_disk_cache</module></seealso>