[sdk/kdesrc-build/docbook_historied_per_file] doc/kdesrc-buildrc: doc: Fix mistake in variable name

Git commit e07bf87b7abb766f394a1e68ea29a4724af4f884 by Andrew Shark.
Committed on 19/01/2024 at 01:34.
Pushed by ashark into branch 'docbook_historied_per_file'.

doc: Fix mistake in variable name

Original commit: 4d990277
https://invent.kde.org/sdk/kdesrc-build/-/commit/4d990277cfe27c0fdcab5e422a37654b01aa2740

M  +1    -1    doc/kdesrc-buildrc/conf-options-table.docbook

https://invent.kde.org/sdk/kdesrc-build/-/commit/e07bf87b7abb766f394a1e68ea29a4724af4f884

diff --git a/doc/kdesrc-buildrc/conf-options-table.docbook b/doc/kdesrc-buildrc/conf-options-table.docbook
index be58e68b..e19ac4d0 100644
--- a/doc/kdesrc-buildrc/conf-options-table.docbook
+++ b/doc/kdesrc-buildrc/conf-options-table.docbook
@@ -317,7 +317,7 @@ You cannot override this setting in a module option. The default value is
 the $<envar>PATH</envar> that is set when the script starts. This environment
 variable should include the colon-separated paths of your development
 toolchain. The paths <filename class="directory">${install-dir}/bin</filename> and
-<filename class="directory">${install-dir}/bin</filename> are automatically added. You
+<filename class="directory">${qt-install-dir}/bin</filename> are automatically added. You
 may use the tilde (~) for any paths you add using this option.</para>
 </entry>
 </row>