diff --git a/handbook/computing/todo-data.html b/handbook/computing/todo-data.html
index f27b334a1..b1c3955fe 100644
--- a/handbook/computing/todo-data.html
+++ b/handbook/computing/todo-data.html
@@ -548,7 +548,7 @@ badforecast            2017#51
 </pre>
 </details>
 
-<h3><!--2020-04-17 psargent-->:expoweb:/1623/264/trident_to_little_boy.txt</h3>
+<h3 id="264"><!--2020-04-17 psargent-->:expoweb:/1623/264/trident_to_little_boy.txt</h3>
 <p>(All moved verbatim, original to-do file now empty.)
 <details>
 <summary>