diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
new file mode 100644
index e58dc18..881f0c4
*** a/doc/src/sgml/config.sgml
--- b/doc/src/sgml/config.sgml
*************** include 'filename'
*** 94,100 ****
       <primary><literal>include_if_exists</></primary>
       <secondary>in configuration file</secondary>
      </indexterm>
!     Use the same approach as the <literal>include</> directive, continuing
      normally if the file does not exist.  A regular <literal>include</>
      will stop with an error if the referenced file is missing, while
      <literal>include_if_exists</> does not.  A warning about the missing
--- 94,101 ----
       <primary><literal>include_if_exists</></primary>
       <secondary>in configuration file</secondary>
      </indexterm>
!     The <literal>include_if_exists</> directive uses the same approach
!     as the <literal>include</> directive, continuing
      normally if the file does not exist.  A regular <literal>include</>
      will stop with an error if the referenced file is missing, while
      <literal>include_if_exists</> does not.  A warning about the missing