diff --git a/src/applications/differential/controller/revisionview/DifferentialRevisionViewController.php b/src/applications/differential/controller/revisionview/DifferentialRevisionViewController.php
index 7fdf3427be..84cc22647c 100644
--- a/src/applications/differential/controller/revisionview/DifferentialRevisionViewController.php
+++ b/src/applications/differential/controller/revisionview/DifferentialRevisionViewController.php
@@ -242,7 +242,7 @@ class DifferentialRevisionViewController extends DifferentialController {
           $changeset_view->render().
           $comment_form->render()),
       array(
-        'title' => $revision->getTitle(),
+        'title' => 'D'.$revision->getID().' '.$revision->getTitle(),
       ));
   }
 
diff --git a/src/applications/differential/view/revisiondetail/DifferentialRevisionDetailView.php b/src/applications/differential/view/revisiondetail/DifferentialRevisionDetailView.php
index 52f913c0b6..e878184ca9 100644
--- a/src/applications/differential/view/revisiondetail/DifferentialRevisionDetailView.php
+++ b/src/applications/differential/view/revisiondetail/DifferentialRevisionDetailView.php
@@ -86,7 +86,12 @@ final class DifferentialRevisionDetailView extends AphrontView {
           id(new AphrontKeyboardShortcutsAvailableView())->render().
         '</div>'.
         '<div class="differential-revision-detail-core">'.
-          '<h1>'.phutil_escape_html($revision->getTitle()).'</h1>'.
+          '<h1>'.
+            '<span class="aphront-headsup-object-name">'.
+              phutil_escape_html('D'.$revision->getID()).
+            '</span>'.
+            ' '.
+            phutil_escape_html($revision->getTitle()).'</h1>'.
           $properties.
         '</div>'.
         '<div style="clear: both;"></div>'.
diff --git a/src/applications/maniphest/controller/taskdetail/ManiphestTaskDetailController.php b/src/applications/maniphest/controller/taskdetail/ManiphestTaskDetailController.php
index f90bd36843..0d91165149 100644
--- a/src/applications/maniphest/controller/taskdetail/ManiphestTaskDetailController.php
+++ b/src/applications/maniphest/controller/taskdetail/ManiphestTaskDetailController.php
@@ -196,7 +196,11 @@ class ManiphestTaskDetailController extends ManiphestController {
         $action_list->render().
         '<div class="maniphest-task-detail-core">'.
           '<h1>'.
-            phutil_escape_html('T'.$task->getID().' '.$task->getTitle()).
+            '<span class="aphront-headsup-object-name">'.
+              phutil_escape_html('T'.$task->getID()).
+            '</span>'.
+            ' '.
+            phutil_escape_html($task->getTitle()).
           '</h1>'.
           $table.
         '</div>'.
diff --git a/webroot/rsrc/css/aphront/headsup-action-list-view.css b/webroot/rsrc/css/aphront/headsup-action-list-view.css
index 23a4d88b29..edd629041a 100644
--- a/webroot/rsrc/css/aphront/headsup-action-list-view.css
+++ b/webroot/rsrc/css/aphront/headsup-action-list-view.css
@@ -2,6 +2,10 @@
  * @provides aphront-headsup-action-list-view-css
  */
 
+.aphront-headsup-object-name {
+  color: #666666;
+  margin-right: 0.25em;
+}
 
 .aphront-headsup-action-list {
   float:        right;
diff --git a/webroot/rsrc/css/application/differential/core.css b/webroot/rsrc/css/application/differential/core.css
index 574d850f9e..643991eaa9 100644
--- a/webroot/rsrc/css/application/differential/core.css
+++ b/webroot/rsrc/css/application/differential/core.css
@@ -3,7 +3,7 @@
  */
 
 .differential-primary-pane {
-  margin:           0 40px;
+  margin:           0 0 0 2em;
   padding-bottom:   2em;
 
   /**