diff --git a/RELEASE-NOTES-1.31 b/RELEASE-NOTES-1.31
index a50159c02de..dd002283ecc 100644
--- a/RELEASE-NOTES-1.31
+++ b/RELEASE-NOTES-1.31
@@ -39,6 +39,8 @@ production.
   the ParserOutput::getText() post-cache transformations.
 * Added a hook, UploadForm:getInitialPageText, to allow extensions to alter the
   initial page text for file uploads.
+* (T181651) The info page for File pages now displays the file's base-36 SHA1
+  hash value in the table of basic information.
 
 === External library changes in 1.31 ===