The code uses SysExt and ConfExt for section names but the docs use
Sysext and Confext.
Align the docs with the code.
<refsect1>
<title>Options</title>
- <para>The following options are understood in both the <literal>[Sysext]</literal> and
- <literal>[Confext]</literal> sections:</para>
+ <para>The following options are understood in both the <literal>[SysExt]</literal> and
+ <literal>[ConfExt]</literal> sections:</para>
<refsect2>
<title>Section Options</title>