Fix CDDL for handling user prompts

index.bs

@@ -1781,7 +1781,7 @@ This is a [=static command=].
           setWindowRect: bool,
           userAgent: text,
           ? proxy: session.ProxyConfiguration,
-          ? unahandledPromptBehavior: session.UserPromptHandler,
+          ? unhandledPromptBehavior: session.UserPromptHandler,
           ? webSocketUrl: text,
           Extensible
         }
@@ -2658,15 +2658,15 @@ browsingContext.ReadinessState = "none" / "interactive" / "complete"
 The <code>browsingContext.ReadinessState</code> type represents the stage of
 document loading at which a navigation command will return.
 
-#### The browsingContext.UserPrompt Type #### {#type-browsingContext-UserPrompt}
+#### The browsingContext.UserPromptType Type #### {#type-browsingContext-UserPromptType}
 
 [=Remote end definition=] and [=local end definition=]
 
 <pre class="cddl remote-cddl local-cddl">
-browsingContext.UserPromptType = "alert" / "confirm" / "prompt" / "beforeunload";
+browsingContext.UserPromptType = "alert" / "beforeunload" / "confirm" / "prompt";
 </pre>
 
-The <code>browsingContext.UserPrompt</code> type represents the possible user
+The <code>browsingContext.UserPromptType</code> type represents the possible user
 prompt types.
 
 ### Commands ### {#module-browsingContext-commands}