Add markup to eliminate bikeshed warnings

index.bs

@@ -363,6 +363,7 @@ This interface has two methods, which are described in the following subsections
 
 ### Create a new credential (<dfn method for="WebAuthentication">makeCredential()</dfn> method) ### {#makeCredential}
 
+<div link-for-hint="WebAuthentication/makeCredential(accountInformation, cryptoParameters, attestationChallenge, options)">
 With this method, a script can request the User Agent to create a new credential of a given type and persist it to the
 underlying platform, which may involve data storage managed by the browser or the OS. The user agent will prompt the user to
 approve this operation. On success, the promise will be resolved with a {{ScopedCredentialInfo}} object describing the newly
@@ -471,10 +472,12 @@ When this method is invoked, the user agent MUST execute the following algorithm
 
 During the above process, the user agent SHOULD show some UI to the user to guide them in the process of selecting and
 authorizing an authenticator.
+</div>
 
 
 ### Use an existing credential (<dfn method for="WebAuthentication">getAssertion()</dfn> method) ### {#getAssertion}
 
+<div link-for-hint="WebAuthentication/getAssertion(assertionChallenge, options)">
 This method is used to discover and use an existing scoped credential, with the user's consent. The script optionally specifies
 some criteria to indicate what credentials are acceptable to it. The user agent and/or platform locates credentials matching the
 specified criteria, and guides the user to pick one that the script should be allowed to use. The user may choose not to provide
@@ -556,6 +559,7 @@ When this method is invoked, the user agent MUST execute the following algorithm
 
 During the above process, the user agent SHOULD show some UI to the user to guide them in the process of selecting and
 authorizing an authenticator with which to complete the operation.
+</div>
 
 
 ## Information about Scoped Credential (interface <dfn interface>ScopedCredentialInfo</dfn>) ## {#iface-credentialInfo}