Update docs.
diff --git a/docs/dyn/compute_v1.instances.html b/docs/dyn/compute_v1.instances.html
index 0d68325..18b068a 100644
--- a/docs/dyn/compute_v1.instances.html
+++ b/docs/dyn/compute_v1.instances.html
@@ -228,16 +228,20 @@
               { # An instance-attached disk resource.
                   "deviceName": "A String", # Persistent disk only; must be unique within the instance when specified. This represents a unique device name that is reflected into the /dev/ tree of a Linux operating system running within the instance. If not specified, a default will be chosen by the system.
                   "kind": "compute#attachedDisk", # Type of the resource.
-                  "initializeParams": { # Initialization parameters for the new disk (Mutually exclusive with 'source', can currently only be specified on the boot disk). # Initialization parameters.
+                  "initializeParams": { # Initialization parameters for the new disk (input-only). Can only be specified on the boot disk or local SSDs. Mutually exclusive with 'source'. # Initialization parameters.
                     "diskSizeGb": "A String", # Size of the disk in base-2 GB.
                     "diskName": "A String", # Name of the disk (when not provided defaults to the name of the instance).
                     "sourceImage": "A String", # The source image used to create this disk.
+                    "diskType": "A String", # URL of the disk type resource describing which disk type to use to create the disk; provided by the client when the disk is created.
                   },
                   "autoDelete": True or False, # Whether the disk will be auto-deleted when the instance is deleted (but not when the disk is detached from the instance).
                   "index": 42, # A zero-based index to assign to this disk, where 0 is reserved for the boot disk. If not specified, the server will choose an appropriate value (output only).
                   "boot": True or False, # Indicates that this is a boot disk. VM will use the first partition of the disk for its root filesystem.
                   "source": "A String", # Persistent disk only; the URL of the persistent disk resource.
                   "mode": "A String", # The mode in which to attach this disk, either "READ_WRITE" or "READ_ONLY".
+                  "licenses": [ # Public visible licenses.
+                    "A String",
+                  ],
                   "type": "A String", # Type of the disk, either "SCRATCH" or "PERSISTENT". Note that persistent disks must be created before you can specify them here.
                 },
             ],
@@ -332,16 +336,20 @@
 { # An instance-attached disk resource.
     "deviceName": "A String", # Persistent disk only; must be unique within the instance when specified. This represents a unique device name that is reflected into the /dev/ tree of a Linux operating system running within the instance. If not specified, a default will be chosen by the system.
     "kind": "compute#attachedDisk", # Type of the resource.
-    "initializeParams": { # Initialization parameters for the new disk (Mutually exclusive with 'source', can currently only be specified on the boot disk). # Initialization parameters.
+    "initializeParams": { # Initialization parameters for the new disk (input-only). Can only be specified on the boot disk or local SSDs. Mutually exclusive with 'source'. # Initialization parameters.
       "diskSizeGb": "A String", # Size of the disk in base-2 GB.
       "diskName": "A String", # Name of the disk (when not provided defaults to the name of the instance).
       "sourceImage": "A String", # The source image used to create this disk.
+      "diskType": "A String", # URL of the disk type resource describing which disk type to use to create the disk; provided by the client when the disk is created.
     },
     "autoDelete": True or False, # Whether the disk will be auto-deleted when the instance is deleted (but not when the disk is detached from the instance).
     "index": 42, # A zero-based index to assign to this disk, where 0 is reserved for the boot disk. If not specified, the server will choose an appropriate value (output only).
     "boot": True or False, # Indicates that this is a boot disk. VM will use the first partition of the disk for its root filesystem.
     "source": "A String", # Persistent disk only; the URL of the persistent disk resource.
     "mode": "A String", # The mode in which to attach this disk, either "READ_WRITE" or "READ_ONLY".
+    "licenses": [ # Public visible licenses.
+      "A String",
+    ],
     "type": "A String", # Type of the disk, either "SCRATCH" or "PERSISTENT". Note that persistent disks must be created before you can specify them here.
   }
 
@@ -596,16 +604,20 @@
       { # An instance-attached disk resource.
           "deviceName": "A String", # Persistent disk only; must be unique within the instance when specified. This represents a unique device name that is reflected into the /dev/ tree of a Linux operating system running within the instance. If not specified, a default will be chosen by the system.
           "kind": "compute#attachedDisk", # Type of the resource.
-          "initializeParams": { # Initialization parameters for the new disk (Mutually exclusive with 'source', can currently only be specified on the boot disk). # Initialization parameters.
+          "initializeParams": { # Initialization parameters for the new disk (input-only). Can only be specified on the boot disk or local SSDs. Mutually exclusive with 'source'. # Initialization parameters.
             "diskSizeGb": "A String", # Size of the disk in base-2 GB.
             "diskName": "A String", # Name of the disk (when not provided defaults to the name of the instance).
             "sourceImage": "A String", # The source image used to create this disk.
+            "diskType": "A String", # URL of the disk type resource describing which disk type to use to create the disk; provided by the client when the disk is created.
           },
           "autoDelete": True or False, # Whether the disk will be auto-deleted when the instance is deleted (but not when the disk is detached from the instance).
           "index": 42, # A zero-based index to assign to this disk, where 0 is reserved for the boot disk. If not specified, the server will choose an appropriate value (output only).
           "boot": True or False, # Indicates that this is a boot disk. VM will use the first partition of the disk for its root filesystem.
           "source": "A String", # Persistent disk only; the URL of the persistent disk resource.
           "mode": "A String", # The mode in which to attach this disk, either "READ_WRITE" or "READ_ONLY".
+          "licenses": [ # Public visible licenses.
+            "A String",
+          ],
           "type": "A String", # Type of the disk, either "SCRATCH" or "PERSISTENT". Note that persistent disks must be created before you can specify them here.
         },
     ],
@@ -700,16 +712,20 @@
     { # An instance-attached disk resource.
         "deviceName": "A String", # Persistent disk only; must be unique within the instance when specified. This represents a unique device name that is reflected into the /dev/ tree of a Linux operating system running within the instance. If not specified, a default will be chosen by the system.
         "kind": "compute#attachedDisk", # Type of the resource.
-        "initializeParams": { # Initialization parameters for the new disk (Mutually exclusive with 'source', can currently only be specified on the boot disk). # Initialization parameters.
+        "initializeParams": { # Initialization parameters for the new disk (input-only). Can only be specified on the boot disk or local SSDs. Mutually exclusive with 'source'. # Initialization parameters.
           "diskSizeGb": "A String", # Size of the disk in base-2 GB.
           "diskName": "A String", # Name of the disk (when not provided defaults to the name of the instance).
           "sourceImage": "A String", # The source image used to create this disk.
+          "diskType": "A String", # URL of the disk type resource describing which disk type to use to create the disk; provided by the client when the disk is created.
         },
         "autoDelete": True or False, # Whether the disk will be auto-deleted when the instance is deleted (but not when the disk is detached from the instance).
         "index": 42, # A zero-based index to assign to this disk, where 0 is reserved for the boot disk. If not specified, the server will choose an appropriate value (output only).
         "boot": True or False, # Indicates that this is a boot disk. VM will use the first partition of the disk for its root filesystem.
         "source": "A String", # Persistent disk only; the URL of the persistent disk resource.
         "mode": "A String", # The mode in which to attach this disk, either "READ_WRITE" or "READ_ONLY".
+        "licenses": [ # Public visible licenses.
+          "A String",
+        ],
         "type": "A String", # Type of the disk, either "SCRATCH" or "PERSISTENT". Note that persistent disks must be created before you can specify them here.
       },
   ],
@@ -840,16 +856,20 @@
           { # An instance-attached disk resource.
               "deviceName": "A String", # Persistent disk only; must be unique within the instance when specified. This represents a unique device name that is reflected into the /dev/ tree of a Linux operating system running within the instance. If not specified, a default will be chosen by the system.
               "kind": "compute#attachedDisk", # Type of the resource.
-              "initializeParams": { # Initialization parameters for the new disk (Mutually exclusive with 'source', can currently only be specified on the boot disk). # Initialization parameters.
+              "initializeParams": { # Initialization parameters for the new disk (input-only). Can only be specified on the boot disk or local SSDs. Mutually exclusive with 'source'. # Initialization parameters.
                 "diskSizeGb": "A String", # Size of the disk in base-2 GB.
                 "diskName": "A String", # Name of the disk (when not provided defaults to the name of the instance).
                 "sourceImage": "A String", # The source image used to create this disk.
+                "diskType": "A String", # URL of the disk type resource describing which disk type to use to create the disk; provided by the client when the disk is created.
               },
               "autoDelete": True or False, # Whether the disk will be auto-deleted when the instance is deleted (but not when the disk is detached from the instance).
               "index": 42, # A zero-based index to assign to this disk, where 0 is reserved for the boot disk. If not specified, the server will choose an appropriate value (output only).
               "boot": True or False, # Indicates that this is a boot disk. VM will use the first partition of the disk for its root filesystem.
               "source": "A String", # Persistent disk only; the URL of the persistent disk resource.
               "mode": "A String", # The mode in which to attach this disk, either "READ_WRITE" or "READ_ONLY".
+              "licenses": [ # Public visible licenses.
+                "A String",
+              ],
               "type": "A String", # Type of the disk, either "SCRATCH" or "PERSISTENT". Note that persistent disks must be created before you can specify them here.
             },
         ],