diff --git a/htdocs/gcc-10/changes.html b/htdocs/gcc-10/changes.html
index caa9df70..83404a1a 100644
--- a/htdocs/gcc-10/changes.html
+++ b/htdocs/gcc-10/changes.html
@@ -260,6 +260,16 @@ a work-in-progress.</p>
     with <code>-std=legacy</code>.  <code>-Wargument-mismatch</code>
     has been removed.
   </li>
+  <li>
+    The handling of a BOZ literal constant has been reworked to provide
+    better conformance to the Fortran 2008 and 2018 standards.  In these
+    Fortran standards, a BOZ literal constant is a typeless and kindless
+    entity.  As a part of the rework, documented and undocumented
+    extensions to the Fortran standard now emit errors during compilation.
+    Some these extensions are permitted with the
+    <code>-fallow-invalid-boz</code>, where the error is degraded to a
+    warning and the code is compiled as with older gfortran.
+  <li>
   <li>
     At any optimization level except<code>-Os</code>, gfortran now
     uses inline packing for arguments instead of calling a library