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Co-Authored-By: =JeffH <jdhodges@google.com>

index.bs

@@ -234,6 +234,7 @@ spec: webdriver; urlPrefix: https://w3c.github.io/webdriver/webdriver-spec.html#
         text: WebDriver error code; url: dfn-error-code
         text: extension command; url: dfn-extension-command
         text: extension command name; url: dfn-extension-command-name
+        text: getting a property; url: dfn-getting-properties
         text: prefix; url: dfn-url-prefix
         text: invalid argument; url: dfn-invalid-argument
         text: local end; url: dfn-local-end
@@ -5497,29 +5498,27 @@ At this time, one [=credential property=] is defined: the [=resident key credent
 :: None.
 
 
-# Automation # {#sctn-automation}
+# User Agent Automation # {#sctn-automation}
 
-For the purposes of user-agent automation and application testing, this document defines a number of [=extension
-commands=] for the [[WebDriver]] specification. 
+For the purposes of user agent automation and [=web application=] testing, this document defines a number of [[WebDriver]] [=extension commands=].
 
 ## <dfn>Virtual Authenticators</dfn> ## {#sctn-automation-virtual-authenticators}
 
-These [=extension commands=] create and interact with [=Virtual Authenticators=]: software implementations of the
-<a>Authenticator Model</a>. <a>Virtual Authenticators</a> are stored in a <dfn>Virtual Authenticator Database</dfn> and
+These WebDriver [=extension commands=] create and interact with [=Virtual Authenticators=]: software implementations of the
+<a>Authenticator Model</a>. <a>Virtual Authenticators</a> are stored in a <dfn>Virtual Authenticator Database</dfn>.
 have the following properties:
 
 : |authenticatorId|
 :: An arbitrary non-null string that uniquely identifies the [=Virtual Authenticator=].
 : |protocol|
 :: The protocol the [=Virtual Authenticator=] uses to encode its messages. Either `ctap2` for the [[FIDO-CTAP]] format
-    or `u2f` for the [[FIDO-U2F-Message-Formats]].
 : |transport|
 :: The {{AuthenticatorTransport}} simulated. If the |transport| is set to {{AuthenticatorTransport/internal}}, the
     authenticator simulates [=platform attachment=]. Otherwise, it simulates [=cross-platform attachment=].
 : |hasResidentKey|
-:: If set to `true`, the authenticator will support [=resident credentials=].
+:: If set to [TRUE] the authenticator will support [=resident credentials=].
 : |hasUserVerification|
-:: If set to `true`, the authenticator will support [=user verification=].
+:: If set to [TRUE], the authenticator supports [=user verification=].
 : |isUserVerified|
 :: Determines the result of [=User Verification=] performed on the [=Virtual Authenticator=]. If set to `true`,
     [=User Verification=] will always succeed. If set to `false`, it will fail. This property has no effect if
@@ -5528,7 +5527,7 @@ have the following properties:
 ## <dfn>Add Virtual Authenticator</dfn> ## {#sctn-automation-add-virtual-authenticator}
 
 The [=Add Virtual Authenticator=] [=extension command=] creates a software [=Virtual Authenticator=]. The
-[=extension command=] is defined as follows:
+WebDriver [=extension command=] is defined as follows:
 
     <xmp class="idl">
     enum AuthenticatorProtocol {
@@ -5576,11 +5575,11 @@ The [=remote end steps=] are:
  1. Create a new [=Virtual Authenticator=] with the fields |authenticatorId|, |protocol|, |transport|,
     |hasResidentKey|, |hasUserVerification|, and |isUserVerified|.
  1. Store the authenticator in the [=Virtual Authenticator Database=].
- 1. Return [=success=] with |authenticatorId|.
+ 1. Return [=success=] with data |authenticatorId|.
 
 ## <dfn>Remove Virtual Authenticator</dfn> ## {#sctn-automation-remove-virtual-authenticator}
 
-The [=Remove Virtual Authenticator=] [=extension command=] removes a previously created [=Virtual Authenticator=].
+The [=Remove Virtual Authenticator=] WebDriver [=extension command=] removes a previously created [=Virtual Authenticator=].
 The [=extension command=] is defined as follows:
 
 <figure id="table-removeVirtualAuthenticator" class="table">
@@ -5609,7 +5608,7 @@ The [=remote end steps=] are:
 
 ## <dfn>Add Credential</dfn> ## {#sctn-automation-add-credential}
 
-The [=Add Credential=] [=extension command=] injects a [=Credential Key Pair=] and associated [=Authenticator Data=]
+The [=Add Credential=] WebDriver [=extension command=] injects a [=Credential Key Pair=] and associated [=Authenticator Data=]
 into an existing [=Virtual Authenticator=]. The [=extension command=] is defined as follows:
 
     <xmp class="idl">
@@ -5655,7 +5654,7 @@ The [=remote end steps=] are:
  1. If |privateKey| is failure, return a [=WebDriver error=] with [=WebDriver error code=] [=invalid argument=].
  1. If |authenticatorId| does not match any [=Virtual Authenticator=] stored in the [=Virtual Authenticator
      Database=], return a [=WebDriver error=] with [=WebDriver error code=] [=invalid argument=].
- 1. If |privateKey| is not a valid PKCS #8 encoded private key [[RFC5958]], return a [=WebDriver error=] with
+ 1. If |privateKey| is not a validly-encoded asymmetric key package containing a single private key per [[RFC5958]], return a [=WebDriver error=] with
      [=WebDriver error code=] [=invalid argument=].
  1. Create a [=Credential Key Pair=] from |privateKey| identified by |credentialId| and an [=Authenticator Data=]
      structure from |rpIdHash| and |signCount|, and store them in the database of the [=Virtual Authenticator=]
@@ -5664,7 +5663,7 @@ The [=remote end steps=] are:
 
 ## <dfn>Get Credentials</dfn> ## {#sctn-automation-get-credentials}
 
-The [=Get Credentials=] [=extension command=] returns one {{CredentialParams}} for every [=Credential Key Pair=]
+The [=Get Credentials=] WebDriver [=extension command=] returns one {{CredentialParams}} for every [=Credential Key Pair=]
 and associated [=Authenticator Data=] stored in a [=Virtual Authenticator=], regardless of whether they were
 stored using [=Add Credential=] or {{CredentialsContainer/create()|navigator.credentials.create()}}. The [=extension command=]
 is defined as follows:
@@ -5691,11 +5690,11 @@ The [=remote end steps=] are:
  1. If |authenticatorId| does not match any [=Virtual Authenticator=] stored in the [=Virtual Authenticator
      Database=], return a [=WebDriver error=] with [=WebDriver error code=] [=invalid argument=].
  1. For every [=Credential Key Pair=], construct a corresponding {{CredentialParams}}.
- 1. Return [=success=] with the array of {{CredentialParams}}.
+ 1. Return [=success=] with data containing |credentialsArray|.
 
 ## <dfn>Remove Credentials</dfn> ## {#sctn-automation-remove-credentials}
 
-The [=Remove Credentials=] [=extension command=] removes all [=Credential Key Pairs=] stored on a [=Virtual Authenticator=].
+The [=Remove Credentials=] WebDriver [=extension command=] removes all [=Credential Key Pairs=] stored on a [=Virtual Authenticator=].
 The [=extension command=] is defined as follows:
 
 <figure id="table-removeCredentials" class="table">