Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
diff --git a/docs/dyn/adexchangebuyer2_v2beta1.accounts.clients.users.html b/docs/dyn/adexchangebuyer2_v2beta1.accounts.clients.users.html
index b8a41dc..f1dd5f0 100644
--- a/docs/dyn/adexchangebuyer2_v2beta1.accounts.clients.users.html
+++ b/docs/dyn/adexchangebuyer2_v2beta1.accounts.clients.users.html
@@ -105,9 +105,8 @@
   An object of the form:
 
     { # A client user is created under a client buyer and has restricted access to
-      # the Ad Exchange Marketplace and certain other sections
-      # of the Ad Exchange Buyer UI based on the role
-      # granted to the associated client buyer.
+      # the Marketplace and certain other sections of the Authorized Buyers UI based
+      # on the role granted to the associated client buyer.
       #
       # The only way a new client user can be created is via accepting an
       # email invitation
@@ -148,7 +147,8 @@
 Typically, this is the value of
 ListClientUsersResponse.nextPageToken
 returned from the previous call to the
-accounts.clients.users.list method.
+accounts.clients.users.list
+method.
   x__xgafv: string, V1 error format.
     Allowed values
       1 - v1 error format
@@ -167,9 +167,8 @@
         # page of results.
     "users": [ # The returned list of client users.
       { # A client user is created under a client buyer and has restricted access to
-          # the Ad Exchange Marketplace and certain other sections
-          # of the Ad Exchange Buyer UI based on the role
-          # granted to the associated client buyer.
+          # the Marketplace and certain other sections of the Authorized Buyers UI based
+          # on the role granted to the associated client buyer.
           #
           # The only way a new client user can be created is via accepting an
           # email invitation
@@ -221,9 +220,8 @@
     The object takes the form of:
 
 { # A client user is created under a client buyer and has restricted access to
-    # the Ad Exchange Marketplace and certain other sections
-    # of the Ad Exchange Buyer UI based on the role
-    # granted to the associated client buyer.
+    # the Marketplace and certain other sections of the Authorized Buyers UI based
+    # on the role granted to the associated client buyer.
     # 
     # The only way a new client user can be created is via accepting an
     # email invitation
@@ -253,9 +251,8 @@
   An object of the form:
 
     { # A client user is created under a client buyer and has restricted access to
-      # the Ad Exchange Marketplace and certain other sections
-      # of the Ad Exchange Buyer UI based on the role
-      # granted to the associated client buyer.
+      # the Marketplace and certain other sections of the Authorized Buyers UI based
+      # on the role granted to the associated client buyer.
       #
       # The only way a new client user can be created is via accepting an
       # email invitation