Replace 'target system' with DIR

index.html

@@ -1996,7 +1996,7 @@ <h3>
 
         <p>
 The DID method specification MUST specify how a client creates a DID
-and its associated DID Document on the target system, including all
+and its associated DID Document on the <a>Decentralized Identifier Registry</a>, including all
 cryptographic operations necessary to establish proof of control.
         </p>
       </section>
@@ -2008,7 +2008,7 @@ <h3>
 
         <p>
 The DID method specification MUST specify how a client uses a DID to
-request a DID Document from the target system, including how the
+request a DID Document from the <a>Decentralized Identifier Registry</a>, including how the
 client can verify the authenticity of the response.
         </p>
       </section>
@@ -2020,7 +2020,7 @@ <h3>
 
         <p>
 The DID method specification MUST specify how a client can update a
-DID Document on the target system, including all cryptographic
+DID Document on the <a>Decentralized Identifier Registry</a>, including all cryptographic
 operations necessary to establish proof of control.
         </p>
       </section>