org.texi: Fix typo

* doc/org.texi (Table of contents): Fix typo.

doc/org.texi

@@ -9703,8 +9703,8 @@ location(s).
 Moreover, if you append @samp{local} parameter, the table contains only
 entries for the children of the current section@footnote{For @LaTeX{} export,
 this feature requires the @code{titletoc} package.  Note that @code{titletoc}
-must be loaded @emph{before} @code{hyperref}.  Thus, you may have to customize
-@code{org-latex-default-table-environment}.}.  In this case, any depth
+must be loaded @emph{before} @code{hyperref}.  Thus, you may have to
+customize @code{org-latex-default-packages-alist}.}.  In this case, any depth
 parameter becomes relative to the current level.
 
 @example