build: run docs regen in synth.py (#1059)

diff --git a/docs/dyn/acceleratedmobilepageurl_v1.ampUrls.html b/docs/dyn/acceleratedmobilepageurl_v1.ampUrls.html
index f9f63d2..13196dd 100644
--- a/docs/dyn/acceleratedmobilepageurl_v1.ampUrls.html
+++ b/docs/dyn/acceleratedmobilepageurl_v1.ampUrls.html
@@ -107,16 +107,16 @@
     { # Batch AMP URL response.
     "ampUrls": [ # For each URL in BatchAmpUrlsRequest, the URL response. The response might not be in the same order as URLs in the batch request. If BatchAmpUrlsRequest contains duplicate URLs, AmpUrl is generated only once.
       { # AMP URL response for a requested URL.
-        "ampUrl": "A String", # The AMP URL pointing to the publisher's web server.
-        "originalUrl": "A String", # The original non-AMP URL.
         "cdnAmpUrl": "A String", # The [AMP Cache URL](/amp/cache/overview#amp-cache-url-format) pointing to the cached document in the Google AMP Cache.
+        "originalUrl": "A String", # The original non-AMP URL.
+        "ampUrl": "A String", # The AMP URL pointing to the publisher's web server.
       },
     ],
     "urlErrors": [ # The errors for requested URLs that have no AMP URL.
       { # AMP URL Error resource for a requested URL that couldn't be found.
         "originalUrl": "A String", # The original non-AMP URL.
-        "errorCode": "A String", # The error code of an API call.
         "errorMessage": "A String", # An optional descriptive error message.
+        "errorCode": "A String", # The error code of an API call.
       },
     ],
   }</pre>