Update docs for 1.4.1 release
diff --git a/docs/dyn/genomics_v1beta2.readgroupsets.html b/docs/dyn/genomics_v1beta2.readgroupsets.html
index ea482f3..ca00d29 100644
--- a/docs/dyn/genomics_v1beta2.readgroupsets.html
+++ b/docs/dyn/genomics_v1beta2.readgroupsets.html
@@ -204,14 +204,14 @@
     The object takes the form of:
 
 { # The read group set export request.
-    "exportUri": "A String", # A Google Cloud Storage URI where the exported BAM file will be created. The currently authenticated user must have write access to the new file location. An error will be returned if the URI already contains data.
+    "exportUri": "A String", # Required. A Google Cloud Storage URI for the exported BAM file. The currently authenticated user must have write access to the new file. An error will be returned if the URI already contains data.
     "referenceNames": [ # The reference names to export. If this is not specified, all reference sequences, including unmapped reads, are exported. Use * to export only unmapped reads.
       "A String",
     ],
-    "readGroupSetIds": [ # The IDs of the read group sets to export.
+    "readGroupSetIds": [ # Required. The IDs of the read group sets to export.
       "A String",
     ],
-    "projectNumber": "A String", # The Google Developers Console project number that owns this export.
+    "projectNumber": "A String", # Required. The Google Developers Console project number that owns this export.
   }
 
 
@@ -237,7 +237,7 @@
       # - A read group set belongs to one dataset.
       # - A read group belongs to one read group set.
       # - A read belongs to one read group.
-    "info": { # A map of additional read group set information.
+    "info": { # A string which maps to an array of values.
       "a_key": [ # A string which maps to an array of values.
         "A String",
       ],
@@ -245,7 +245,7 @@
     "name": "A String", # The read group set name. By default this will be initialized to the sample name of the sequenced data contained in this set.
     "readGroups": [ # The read groups in this set. There are typically 1-10 read groups in a read group set.
       { # A read group is all the data that's processed the same way by the sequencer.
-        "info": { # A map of additional read group information.
+        "info": { # A string which maps to an array of values.
           "a_key": [ # A string which maps to an array of values.
             "A String",
           ],
@@ -322,7 +322,7 @@
     # - A read group set belongs to one dataset.
     # - A read group belongs to one read group set.
     # - A read belongs to one read group.
-  "info": { # A map of additional read group set information.
+  "info": { # A string which maps to an array of values.
     "a_key": [ # A string which maps to an array of values.
       "A String",
     ],
@@ -330,7 +330,7 @@
   "name": "A String", # The read group set name. By default this will be initialized to the sample name of the sequenced data contained in this set.
   "readGroups": [ # The read groups in this set. There are typically 1-10 read groups in a read group set.
     { # A read group is all the data that's processed the same way by the sequencer.
-      "info": { # A map of additional read group information.
+      "info": { # A string which maps to an array of values.
         "a_key": [ # A string which maps to an array of values.
           "A String",
         ],
@@ -373,7 +373,7 @@
       # - A read group set belongs to one dataset.
       # - A read group belongs to one read group set.
       # - A read belongs to one read group.
-    "info": { # A map of additional read group set information.
+    "info": { # A string which maps to an array of values.
       "a_key": [ # A string which maps to an array of values.
         "A String",
       ],
@@ -381,7 +381,7 @@
     "name": "A String", # The read group set name. By default this will be initialized to the sample name of the sequenced data contained in this set.
     "readGroups": [ # The read groups in this set. There are typically 1-10 read groups in a read group set.
       { # A read group is all the data that's processed the same way by the sequencer.
-        "info": { # A map of additional read group information.
+        "info": { # A string which maps to an array of values.
           "a_key": [ # A string which maps to an array of values.
             "A String",
           ],
@@ -433,7 +433,7 @@
       "A String",
     ],
     "name": "A String", # Only return read group sets for which a substring of the name matches this string.
-    "pageSize": 42, # Specifies number of results to return in a single page. If unspecified, it will default to 128. The maximum value is 1024.
+    "pageSize": 42, # Specifies number of results to return in a single page. If unspecified, it will default to 256. The maximum value is 1024.
   }
 
 
@@ -447,7 +447,7 @@
           # - A read group set belongs to one dataset.
           # - A read group belongs to one read group set.
           # - A read belongs to one read group.
-        "info": { # A map of additional read group set information.
+        "info": { # A string which maps to an array of values.
           "a_key": [ # A string which maps to an array of values.
             "A String",
           ],
@@ -455,7 +455,7 @@
         "name": "A String", # The read group set name. By default this will be initialized to the sample name of the sequenced data contained in this set.
         "readGroups": [ # The read groups in this set. There are typically 1-10 read groups in a read group set.
           { # A read group is all the data that's processed the same way by the sequencer.
-            "info": { # A map of additional read group information.
+            "info": { # A string which maps to an array of values.
               "a_key": [ # A string which maps to an array of values.
                 "A String",
               ],
@@ -506,7 +506,7 @@
     # - A read group set belongs to one dataset.
     # - A read group belongs to one read group set.
     # - A read belongs to one read group.
-  "info": { # A map of additional read group set information.
+  "info": { # A string which maps to an array of values.
     "a_key": [ # A string which maps to an array of values.
       "A String",
     ],
@@ -514,7 +514,7 @@
   "name": "A String", # The read group set name. By default this will be initialized to the sample name of the sequenced data contained in this set.
   "readGroups": [ # The read groups in this set. There are typically 1-10 read groups in a read group set.
     { # A read group is all the data that's processed the same way by the sequencer.
-      "info": { # A map of additional read group information.
+      "info": { # A string which maps to an array of values.
         "a_key": [ # A string which maps to an array of values.
           "A String",
         ],
@@ -557,7 +557,7 @@
       # - A read group set belongs to one dataset.
       # - A read group belongs to one read group set.
       # - A read belongs to one read group.
-    "info": { # A map of additional read group set information.
+    "info": { # A string which maps to an array of values.
       "a_key": [ # A string which maps to an array of values.
         "A String",
       ],
@@ -565,7 +565,7 @@
     "name": "A String", # The read group set name. By default this will be initialized to the sample name of the sequenced data contained in this set.
     "readGroups": [ # The read groups in this set. There are typically 1-10 read groups in a read group set.
       { # A read group is all the data that's processed the same way by the sequencer.
-        "info": { # A map of additional read group information.
+        "info": { # A string which maps to an array of values.
           "a_key": [ # A string which maps to an array of values.
             "A String",
           ],