diff --git a/api/AccessibleRole.idl b/api/AccessibleRole.idl
index fbd8c98..e5eb6a8 100644
--- a/api/AccessibleRole.idl
+++ b/api/AccessibleRole.idl
@@ -4,7 +4,7 @@
  *
  *  IAccessible2 IDL Specification
  *
- *  Copyright (c) 2007, 2013, 2018 Linux Foundation
+ *  Copyright (c) 2007-2018 Linux Foundation
  *  Copyright (c) 2006 IBM Corporation
  *  Copyright (c) 2000, 2006 Sun Microsystems, Inc.
  *  All rights reserved.
@@ -312,5 +312,8 @@ enum IA2Role {
   /** Content previously inserted or proposed for insertion, e.g. in revision
    history or a content view providing suggestions from reviewers.
   */
-  IA2_ROLE_CONTENT_INSERTION
+  IA2_ROLE_CONTENT_INSERTION,
+
+  /// A section of content that is quoted from another source.
+  IA2_ROLE_BLOCK_QUOTE
 };