Fix grammar in Controller Document spec at risk marker.

Co-authored-by: Ted Thibodeau Jr <[email protected]>

Author: msporny

index.html

@@ -962,14 +962,14 @@ <h3>Controller Documents</h3>
 
         <p class="issue atrisk"
           title="Potential for stand-alone Controller Document specification">
-There are lots of commonalities between this section on Controller Documents and
-similar sections in other securing mechanisms such as [[?VC-JOSE-COSE]], or
-similar concepts in specifications such as [[?DID-CORE]]. The Working Group is
-currently discussing the possibility to move this section to an independent
+There are many commonalities between this section on Controller Documents and
+similar sections in other securing mechanisms such as [[?VC-JOSE-COSE]], as well as 
+sections on similar concepts in specifications such as [[?DID-CORE]]. The Working Group is
+currently discussing the possibility of moving this section to an independent
 Controller Document specification that can be referenced normatively. If this
 migration occurs, it is expected that there will be little to no impact on
-implementations as the normative statements that exist in this section will
-remain in the new document or be preserved in this document as an additional set
+implementations, as the normative statements that exist in this section will
+remain in this or the new document as an additive set
 of requirements on top of the base Controller Document specification.
         </p>