Update FirebaseAI.kt

Author: daymxn

firebase-ai/src/main/kotlin/com/google/firebase/ai/FirebaseAI.kt

@@ -231,22 +231,13 @@ internal constructor(
      *
      * @param backend the backend reference to make generative AI requests to.
      * @param useLimitedUseAppCheckTokens when sending tokens to the backend, this option enables
-     * the usage of App Check's limited-use tokens instead of the standard cached tokens.
-     *
-     * A new limited-use tokens will be generated for each request; providing a smaller attack
-     * surface for malicious parties to hijack tokens. When used alongside replay protection,
-     * limited-use tokens are also _consumed_ after each request, ensuring they can't be used again.
+     * the usage of App Check's limited-use tokens instead of the standard cached tokens. Learn
+     * more about [limited-use tokens](https://firebase.google.com/docs/ai-logic/app-check),
+     * including their nuances, when to use them, and best practices for integrating them into your
+     * app.
      *
      * _This flag is set to `false` by default._
-     *
-     * **Important:** Replay protection is not currently supported for the FirebaseAI backend. While
-     * this feature is being developed, you can still migrate to using limited-use tokens. Because
-     * limited-use tokens are backwards compatible, you can still use them without replay
-     * protection. Due to their shorter TTL over standard App Check tokens, they still provide a
-     * security benefit. Migrating to limited-use tokens sooner minimizes disruption when support
-     * for replay protection is added.
      */
-    // TODO(b/440356335): Update docs above when web page goes live in M170
     @JvmStatic
     @JvmOverloads
     public fun getInstance(
@@ -290,7 +281,8 @@ public fun Firebase.ai(
  *
  * @param backend the backend reference to make generative AI requests to.
  * @param useLimitedUseAppCheckTokens use App Check's limited-use tokens when sending requests to
- * the backend. To learn more about what this means, see the full docs on [FirebaseAI.getInstance].
+ * the backend. Learn more about [limited-use tokens](https://firebase.google.com/docs/ai-logic/app-check),
+ * including their nuances, when to use them, and best practices for integrating them into your app.
  */
 // TODO(b/440356335): Update docs above when web page goes live in M170
 public fun Firebase.ai(