Fix grammar in considerations sections.

Co-authored-by: Ted Thibodeau Jr <tthibodeau@openlinksw.com>

index.html

@@ -2748,23 +2748,25 @@ <h2>Security Considerations</h2>
 
       <p>
 The integrity and authenticity of a secured document that is protected by
-this cryptographic suite is dependent on a number of factors including:
+this cryptographic suite is dependent on a number of factors including
+the following:
       </p>
 
       <ul>
         <li>
-the correct application of a digital signature to a document,
+correct application of a digital signature to the document
         </li>
         <li>
-the choice of signature algorithm (ECDSA) and its parameters (P-256, P-384),
+choice of an appropriate signature algorithm (ECDSA) and its parameters
+(P-256, P-384)
         </li>
         <li>
-the correct implementation and usage of the digital signature algorithm,
-particularly with respect to well-known problem areas, and
+correct implementation and usage of the digital signature algorithm,
+particularly with respect to well-known problem areas
         </li>
         <li>
-the proper management of the private and public keys used for
-signing and verification.
+proper management of the private and public keys used for
+signing and verification
         </li>
       </ul>