diff --git a/draft-ietf-sidrops-8210bis.xml b/draft-ietf-sidrops-8210bis.xml
index 93b6ba6..ca4798f 100644
--- a/draft-ietf-sidrops-8210bis.xml
+++ b/draft-ietf-sidrops-8210bis.xml
@@ -1785,7 +1785,7 @@ Cache                         Router
         an IANA registry where valid error codes are listed; see <xref
         target="iana-err"/>.  Errors which are considered fatal MUST
         cause the session to be dropped, and the router MUST flush all
-        data learned from that cache..
+        data learned from that cache.
         <list style="hanging">
           <t hangText="0: Corrupt Data (fatal):">
             The receiver believes the received PDU to be corrupt in a