diff --git a/draft-ietf-sidrops-8210bis.xml b/draft-ietf-sidrops-8210bis.xml
index 42c6e26..de88d16 100644
--- a/draft-ietf-sidrops-8210bis.xml
+++ b/draft-ietf-sidrops-8210bis.xml
@@ -527,7 +527,7 @@
         <t>
           The rationale for this approach is that the entire purpose of
           the RPKI&nbhy;Router protocol is to offload work from the router
-          to the cache, and it should therefor be the cache's job to
+          to the cache, and it should therefore be the cache's job to
           simplify the change set, thus reducing work for the router.
         </t>
         <t>
@@ -975,7 +975,7 @@
 	same Customer Autonomous System Number and the same Address
 	Family (see Flags field), replaces the previous one.  This is to
 	avoid a race condition when a BGP announcement is received
-	between an withdrawn PDU and a new announced PDU.  Therefor, the
+	between an withdrawn PDU and a new announced PDU.  Therefore, the
 	cache MUST deliver entire data of an ASPA record in a single
 	ASPA PDU.
 	</t>
@@ -1124,7 +1124,7 @@
       </t>
       <t>
         In any of the downgraded combinations above, the new features of
-        the hogher version will not be available, and all PDUs will have
+        the higher version will not be available, and all PDUs will have
         the negotiated lower version number in their version fields.
       </t>
       <t>