diff --git a/draft-ietf-sidrops-8210bis.xml b/draft-ietf-sidrops-8210bis.xml
index 7417ff5..d45dd7f 100644
--- a/draft-ietf-sidrops-8210bis.xml
+++ b/draft-ietf-sidrops-8210bis.xml
@@ -1009,10 +1009,8 @@
           SHOULD be dropped.
         </t>
         <t>
-          If the error is associated with a PDU of excessive length,
-          i.e., too long to be any legal PDU other than another Error
-          Report, or a possibly corrupt length, the Erroneous PDU field
-          MAY be truncated.
+          If the entire erroneous PDU will not fit in the Erroneous PDU
+          field, it MUST be truncated.
         </t>
         <t>
           The Arbitrary Text field is optional; if not present, the
@@ -1768,7 +1766,9 @@ Cache                         Router
 	  sub-prefix of P0, a router which receives the ROA for P0
 	  before that for P1 is likely to mark a BGP announcement of
 	  prefix P1 invalid.  Therefore, the cache SHOULD announce the
-	  sub-prefix P1 before the covering prefix P0.
+	  sub-prefix P1 before the covering prefix P0.  Similarly, in
+	  the case of withdrawals, the cache SHOULD withdraw covering
+	  prefixes before their sub-prefixes.
 	</t>
       </list>
       <t>