Version 1.3 release.

Updates CHANGELOG, version, docs.
diff --git a/docs/dyn/identitytoolkit_v3.relyingparty.html b/docs/dyn/identitytoolkit_v3.relyingparty.html
index 339a9a5..f3e5244 100644
--- a/docs/dyn/identitytoolkit_v3.relyingparty.html
+++ b/docs/dyn/identitytoolkit_v3.relyingparty.html
@@ -94,7 +94,7 @@
 <p class="firstline">Get token signing public key.</p>
 <p class="toc_element">
   <code><a href="#resetPassword">resetPassword(body)</a></code></p>
-<p class="firstline">Set account info for a user.</p>
+<p class="firstline">Reset password for a user.</p>
 <p class="toc_element">
   <code><a href="#setAccountInfo">setAccountInfo(body)</a></code></p>
 <p class="firstline">Set account info for a user.</p>
@@ -133,9 +133,10 @@
 
     { # Response of creating the IDP authentication URL.
     "kind": "identitytoolkit#CreateAuthUriResponse", # The fixed string identitytoolkit#CreateAuthUriResponse".
+    "captchaRequired": True or False, # True if captcha is required.
     "registered": True or False, # Whether the user is registered if the identifier is an email.
-    "providerId": "A String", # The provider ID of the auth URI.
     "forExistingProvider": True or False, # True if the authUri is for user's existing provider.
+    "providerId": "A String", # The provider ID of the auth URI.
     "authUri": "A String", # The URI used by the IDP to authenticate the user.
   }</pre>
 </div>
@@ -298,7 +299,7 @@
 
 <div class="method">
     <code class="details" id="resetPassword">resetPassword(body)</code>
-  <pre>Set account info for a user.
+  <pre>Reset password for a user.
 
 Args:
   body: object, The request body. (required)