Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
diff --git a/docs/dyn/calendar_v3.freebusy.html b/docs/dyn/calendar_v3.freebusy.html
index 1d390f3..1f58c5d 100644
--- a/docs/dyn/calendar_v3.freebusy.html
+++ b/docs/dyn/calendar_v3.freebusy.html
@@ -87,15 +87,15 @@
     The object takes the form of:
 
 {
-    "calendarExpansionMax": 42, # Maximal number of calendars for which FreeBusy information is to be provided. Optional.
-    "groupExpansionMax": 42, # Maximal number of calendar identifiers to be provided for a single group. Optional. An error will be returned for a group with more members than this value.
-    "timeMax": "A String", # The end of the interval for the query.
+    "calendarExpansionMax": 42, # Maximal number of calendars for which FreeBusy information is to be provided. Optional. Maximum value is 50.
+    "groupExpansionMax": 42, # Maximal number of calendar identifiers to be provided for a single group. Optional. An error is returned for a group with more members than this value. Maximum value is 100.
+    "timeMax": "A String", # The end of the interval for the query formatted as per RFC3339.
     "items": [ # List of calendars and/or groups to query.
       {
         "id": "A String", # The identifier of a calendar or a group.
       },
     ],
-    "timeMin": "A String", # The start of the interval for the query.
+    "timeMin": "A String", # The start of the interval for the query formatted as per RFC3339.
     "timeZone": "UTC", # Time zone used in the response. Optional. The default is UTC.
   }