Minor changes.

<title>Debugging Memory Allocation in APR</title>

<summary>

    <p>The allocation mechanism's within APR have a number of debugging modes

    <p>The allocation mechanisms within APR have a number of debugging modes

    that can be used to assist in finding memory problems. This document

    describes the modes available and gives instructions on activating

    them.</p>

      <note>Provide some statistics on the cost of allocations.</note>

      <p>This requires a bit of an understanding of how alloc.c works.</p>

      <p>This requires a bit of an understanding of how <code>alloc.c</code>

      works.</p>

    </section>

</section>