diff --git a/doc/lib/BackRestDoc/Html/DocHtmlBuilder.pm b/doc/lib/BackRestDoc/Html/DocHtmlBuilder.pm
index 562ccc507..790df8772 100644
--- a/doc/lib/BackRestDoc/Html/DocHtmlBuilder.pm
+++ b/doc/lib/BackRestDoc/Html/DocHtmlBuilder.pm
@@ -127,7 +127,8 @@ sub htmlRender
         $self->indent($iDepth) . "<$oElement->{strType}" .
             (defined($oElement->{strClass}) ? " class=\"$oElement->{strClass}\"": '') .
             (defined($oElement->{strRef}) ? " href=\"$oElement->{strRef}\"": '') .
-            (defined($oElement->{strId}) ? " id=\"$oElement->{strId}\"": '') . '>';
+            (defined($oElement->{strId}) ? " id=\"$oElement->{strId}\"": '') .
+            (defined($oElement->{strExtra}) ? " $oElement->{strExtra}": '') . '>';
 
     if (defined($oElement->{strContent}))
     {
diff --git a/doc/lib/BackRestDoc/Html/DocHtmlElement.pm b/doc/lib/BackRestDoc/Html/DocHtmlElement.pm
index bd362cf1e..e484b0c8c 100644
--- a/doc/lib/BackRestDoc/Html/DocHtmlElement.pm
+++ b/doc/lib/BackRestDoc/Html/DocHtmlElement.pm
@@ -26,6 +26,14 @@ use constant HTML_DIV                                               => 'div';
     push @EXPORT, qw(HTML_DIV);
 use constant HTML_SPAN                                              => 'span';
     push @EXPORT, qw(HTML_SPAN);
+use constant HTML_TABLE                                             => 'table';
+    push @EXPORT, qw(HTML_TABLE);
+use constant HTML_TD                                                => 'td';
+    push @EXPORT, qw(HTML_TD);
+use constant HTML_TH                                                => 'th';
+    push @EXPORT, qw(HTML_TH);
+use constant HTML_TR                                                => 'tr';
+    push @EXPORT, qw(HTML_TR);
 use constant HTML_UL                                                => 'ul';
     push @EXPORT, qw(HTML_UL);
 use constant HTML_LI                                                => 'li';
@@ -63,6 +71,7 @@ sub new
     $self->{strContent} = $$oParam{strContent};
     $self->{strId} = $$oParam{strId};
     $self->{strRef} = $$oParam{strRef};
+    $self->{strExtra} = $$oParam{strExtra};
     $self->{bPre} = $$oParam{bPre};
 
     # Return from function and log return values if any
diff --git a/doc/xml/release.xml b/doc/xml/release.xml
index 05cb2c1f7..438adab4e 100644
--- a/doc/xml/release.xml
+++ b/doc/xml/release.xml
@@ -128,6 +128,14 @@
                 </release-development-list>
             </release-core-list>
 
+            <release-doc-list>
+                <release-development-list>
+                    <release-item>
+                        <p>Add new HTML tags and <code>strExtra</code> to <code>DocHtmlElement</code>.</p>
+                    </release-item>
+                </release-development-list>
+            </release-doc-list>
+
             <release-test-list>
                 <release-development-list>
                     <release-item>