Version 1.3 release.

Updates CHANGELOG, version, docs.
diff --git a/docs/dyn/genomics_v1beta.datasets.html b/docs/dyn/genomics_v1beta.datasets.html
index daf25ec..ed2f4d5 100644
--- a/docs/dyn/genomics_v1beta.datasets.html
+++ b/docs/dyn/genomics_v1beta.datasets.html
@@ -158,7 +158,7 @@
   <pre>Lists all datasets.
 
 Args:
-  pageToken: string, The continuation token, which is used to page through large result sets. To get the next page of results, set this parameter to the value of "nextPageToken" from the previous response.
+  pageToken: string, The continuation token, which is used to page through large result sets. To get the next page of results, set this parameter to the value of nextPageToken from the previous response.
   maxResults: string, The maximum number of results returned by this request.
   projectId: string, Only return datasets which belong to this Google Developers Console project. Only accepts project numbers.