diff --git a/handbook/survey/l/orthoheight.html b/handbook/survey/l/orthoheight.html
index b47f09f35..a6d8d1022 100644
--- a/handbook/survey/l/orthoheight.html
+++ b/handbook/survey/l/orthoheight.html
@@ -21,9 +21,8 @@
   <a href="/stations">Troggle report: UTM/G&amp;K entrance data</a><br>
   <a href="/entrances">Troggle report: entrances</a><br><br />
   <a href="/handbook/survey/coord2.html">GPS and coordinate systems</a><br>
-<a href="coord.htm">B/
-  <a href="/handbook/survey/lasers.htm">Geographical fixed points on Loser</a><br>
-  <a href="/katast.htm">The Austrian Kataster areas</a><br /><br />
+<a href="coord.htm">
+  <a href="/handbook/survey/lasers.htm">Geographical fixed points on Loser</a><br /><br />
   
 <p class="caption">Downloaded 2023-11-28</p>