chore: regens API reference docs (#889)

diff --git a/docs/dyn/cloudsearch_v1.stats.index.datasources.html b/docs/dyn/cloudsearch_v1.stats.index.datasources.html
index 486b911..9e13393 100644
--- a/docs/dyn/cloudsearch_v1.stats.index.datasources.html
+++ b/docs/dyn/cloudsearch_v1.stats.index.datasources.html
@@ -82,6 +82,8 @@
     <code class="details" id="get">get(name, fromDate_year=None, x__xgafv=None, toDate_year=None, fromDate_month=None, toDate_month=None, toDate_day=None, fromDate_day=None)</code>
   <pre>Gets indexed item statistics for a single data source.
 
+**Note:** This API requires a standard end user account to execute.
+
 Args:
   name: string, The resource id of the data source to retrieve statistics for,
 in the following format: "datasources/{source_id}" (required)
@@ -106,9 +108,9 @@
             # the current date then stats calculated on the next day are returned. Stats
             # are calculated close to mid night in this case. If date of request is
             # current date, then real time stats are returned.
-          "month": 42, # Month of date. Must be from 1 to 12.
-          "day": 42, # Day of month. Must be from 1 to 31 and valid for the year and month.
           "year": 42, # Year of date. Must be from 1 to 9999.
+          "day": 42, # Day of month. Must be from 1 to 31 and valid for the year and month.
+          "month": 42, # Month of date. Must be from 1 to 12.
         },
         "itemCountByStatus": [ # Number of items aggregrated by status code.
           {