diff --git a/ViewTickets.md b/ViewTickets.md
index 49dac07..085abaa 100644
--- a/ViewTickets.md
+++ b/ViewTickets.md
@@ -38,6 +38,7 @@ See [ComponentDefinitions](ComponentDefinitions) for an explanation of what each
 (Each keyword links to all of the **open** tickets mentioning that keyword. Some of the keywords are new, and existing tickets may not have been changed to use them.)
 
  * [integrity]query:status!=closed&keywords~=integrity ([count)](TicketQuery)(status!=closed&keywords~=integrity,): could lead to the unintended alteration of data
+ * [rollback]query:status!=closed&keywords~=rollback ([count)](TicketQuery)(status!=closed&keywords~=rollback,): could lead to unauthorized rollback to an earlier version of data
  * [confidentiality]query:status!=closed&keywords~=confidentiality ([count)](TicketQuery)(status!=closed&keywords~=confidentiality,): could lead to the unintended disclosure of file contents
  * [capleak]query:status!=closed&keywords~=capleak ([count)](TicketQuery)(status!=closed&keywords~=capleak,): could lead to the unintended disclosure of capabilities
  * [privacy]query:status!=closed&keywords~=privacy ([count)](TicketQuery)(status!=closed&keywords~=privacy,): could lead to the unintended disclosure of information other than file contents (e.g. how many files of what size you access at what times, the shape of your directory graph, the fact that you run a Tahoe-LAFS client or storage server, etc.)