diff --git a/ChangeLog.txt b/ChangeLog.txt
index f4d2ca70..cd3cc9e9 100755
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -1,6 +1,13 @@
 
 ChangeLog for jsrsasign
 
+* Changes from 10.4.0 to next release
+  - tool/tool_tsreq.html
+    - messageImprint bug fix (#504)
+  - jsrsasign-*-min.js
+    - header URL fix to kjur.github.io (#503)
+      (will be fixed in next release while rebuild)
+
 Full support for parsing OCSP response
 * Changes from 10.3.2 to 10.4.0 (2021-08-17)
   - asn1ocsp.js
diff --git a/tool/tool_tsreq.html b/tool/tool_tsreq.html
index d66f4fd1..b4043b57 100755
--- a/tool/tool_tsreq.html
+++ b/tool/tool_tsreq.html
@@ -15,8 +15,8 @@
   var f1 = document.form1;
 
   var json = {
-    mi: { hashAlg: f1.hashalg1.value,
-          hashValue: f1.hashval1.value }
+    messageImprint: { alg: f1.hashalg1.value,
+		      hash: f1.hashval1.value }
   };
   if (f1.policy1.value != "") 
     json.policy = {oid: f1.policy1.value};