diff --git a/handbook/survey/caveentryfields.html b/handbook/survey/caveentryfields.html
index 2625f8741..deca4ecf0 100644
--- a/handbook/survey/caveentryfields.html
+++ b/handbook/survey/caveentryfields.html
@@ -124,6 +124,11 @@
     <dt>description_file</dt>
     <dd>Filename: the name of top-level description file for this cave, when a separate file is used. Used instead of above entrance_description field for large caves with complex descriptions. Blank if the description is in the 'underground_description' field. </dd>
   </dl>
+  <dl>
+    <dt>who_are_you</dt>
+    <dd>Your name: the name of the person editing this information, who may not be an explorer or even
+      have ever visited the cave. This is only used in the version control history of the edits (new in 2025). </dd>
+  </dl>
   <dl>
     <dt>url</dt>
     <dd>(<i>Obsolete</i>). URL of this cave. i.e the URL this cave appears at on the website. It is now fixed as <tt>area/cavenum/cavenum.html</tt> e.g '1623/165/165.html' or '1626/2023-BL-10/2023-BL10.html'. This is no longer something the user inputs and it is ignored during file import if it is there</dd>.