docs: update generated docs (#981)

diff --git a/docs/dyn/compute_beta.machineImages.html b/docs/dyn/compute_beta.machineImages.html
index 8799385..8a1f8fd 100644
--- a/docs/dyn/compute_beta.machineImages.html
+++ b/docs/dyn/compute_beta.machineImages.html
@@ -340,7 +340,7 @@
               # - regions/region/subnetworks/subnetwork
         },
       ],
-      "scheduling": { # Sets the scheduling options for an Instance. NextID: 11 # Specifies the scheduling options for the instances that are created from this machine image.
+      "scheduling": { # Sets the scheduling options for an Instance. NextID: 12 # Specifies the scheduling options for the instances that are created from this machine image.
         "automaticRestart": True or False, # Specifies whether the instance should be automatically restarted if it is terminated by Compute Engine (not terminated by a user). You can only set the automatic restart option for standard instances. Preemptible instances cannot be automatically restarted.
             #
             # By default, this is set to true so an instance is automatically restarted if it is terminated by Compute Engine.
@@ -355,7 +355,7 @@
           },
         ],
         "onHostMaintenance": "A String", # Defines the maintenance behavior for this instance. For standard instances, the default behavior is MIGRATE. For preemptible instances, the default and only possible behavior is TERMINATE. For more information, see Setting Instance Scheduling Options.
-        "preemptible": True or False, # Defines whether the instance is preemptible. This can only be set during instance creation, it cannot be set or changed after the instance has been created.
+        "preemptible": True or False, # Defines whether the instance is preemptible. This can only be set during instance creation or while the instance is stopped and therefore, in a `TERMINATED` state. See Instance Life Cycle for more information on the possible instance states.
       },
       "serviceAccounts": [ # A list of service accounts with specified scopes. Access tokens for these service accounts are available to the instances that are created from this machine image. Use metadata queries to obtain the access tokens for these instances.
         { # A service account.
@@ -375,7 +375,7 @@
       },
     },
     "status": "A String", # [Output Only] The status of the machine image. One of the following values: INVALID, CREATING, READY, DELETING, and UPLOADING.
-    "storageLocations": [ # GCS bucket storage location of the machine image (regional or multi-regional).
+    "storageLocations": [ # The regional or multi-regional Cloud Storage bucket location where the machine image is stored.
       "A String",
     ],
     "totalStorageBytes": "A String", # [Output Only] Total size of the storage used by the machine image.
@@ -418,13 +418,13 @@
           #
           # Example Policy with multiple AuditConfigs:
           #
-          # { "audit_configs": [ { "service": "allServices" "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:jose@example.com" ] }, { "log_type": "DATA_WRITE", }, { "log_type": "ADMIN_READ", } ] }, { "service": "sampleservice.googleapis.com" "audit_log_configs": [ { "log_type": "DATA_READ", }, { "log_type": "DATA_WRITE", "exempted_members": [ "user:aliya@example.com" ] } ] } ] }
+          # { "audit_configs": [ { "service": "allServices", "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:jose@example.com" ] }, { "log_type": "DATA_WRITE" }, { "log_type": "ADMIN_READ" } ] }, { "service": "sampleservice.googleapis.com", "audit_log_configs": [ { "log_type": "DATA_READ" }, { "log_type": "DATA_WRITE", "exempted_members": [ "user:aliya@example.com" ] } ] } ] }
           #
           # For sampleservice, this policy enables DATA_READ, DATA_WRITE and ADMIN_READ logging. It also exempts jose@example.com from DATA_READ logging, and aliya@example.com from DATA_WRITE logging.
         "auditLogConfigs": [ # The configuration for logging of each type of permission.
           { # Provides the configuration for logging a type of permissions. Example:
               #
-              # { "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:jose@example.com" ] }, { "log_type": "DATA_WRITE", } ] }
+              # { "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:jose@example.com" ] }, { "log_type": "DATA_WRITE" } ] }
               #
               # This enables 'DATA_READ' and 'DATA_WRITE' logging, while exempting jose@example.com from DATA_READ logging.
             "exemptedMembers": [ # Specifies the identities that do not cause logging for this type of permission. Follows the same format of [Binding.members][].
@@ -740,7 +740,7 @@
             # - regions/region/subnetworks/subnetwork
       },
     ],
-    "scheduling": { # Sets the scheduling options for an Instance. NextID: 11 # Specifies the scheduling options for the instances that are created from this machine image.
+    "scheduling": { # Sets the scheduling options for an Instance. NextID: 12 # Specifies the scheduling options for the instances that are created from this machine image.
       "automaticRestart": True or False, # Specifies whether the instance should be automatically restarted if it is terminated by Compute Engine (not terminated by a user). You can only set the automatic restart option for standard instances. Preemptible instances cannot be automatically restarted.
           #
           # By default, this is set to true so an instance is automatically restarted if it is terminated by Compute Engine.
@@ -755,7 +755,7 @@
         },
       ],
       "onHostMaintenance": "A String", # Defines the maintenance behavior for this instance. For standard instances, the default behavior is MIGRATE. For preemptible instances, the default and only possible behavior is TERMINATE. For more information, see Setting Instance Scheduling Options.
-      "preemptible": True or False, # Defines whether the instance is preemptible. This can only be set during instance creation, it cannot be set or changed after the instance has been created.
+      "preemptible": True or False, # Defines whether the instance is preemptible. This can only be set during instance creation or while the instance is stopped and therefore, in a `TERMINATED` state. See Instance Life Cycle for more information on the possible instance states.
     },
     "serviceAccounts": [ # A list of service accounts with specified scopes. Access tokens for these service accounts are available to the instances that are created from this machine image. Use metadata queries to obtain the access tokens for these instances.
       { # A service account.
@@ -775,7 +775,7 @@
     },
   },
   "status": "A String", # [Output Only] The status of the machine image. One of the following values: INVALID, CREATING, READY, DELETING, and UPLOADING.
-  "storageLocations": [ # GCS bucket storage location of the machine image (regional or multi-regional).
+  "storageLocations": [ # The regional or multi-regional Cloud Storage bucket location where the machine image is stored.
     "A String",
   ],
   "totalStorageBytes": "A String", # [Output Only] Total size of the storage used by the machine image.
@@ -1032,7 +1032,7 @@
                   # - regions/region/subnetworks/subnetwork
             },
           ],
-          "scheduling": { # Sets the scheduling options for an Instance. NextID: 11 # Specifies the scheduling options for the instances that are created from this machine image.
+          "scheduling": { # Sets the scheduling options for an Instance. NextID: 12 # Specifies the scheduling options for the instances that are created from this machine image.
             "automaticRestart": True or False, # Specifies whether the instance should be automatically restarted if it is terminated by Compute Engine (not terminated by a user). You can only set the automatic restart option for standard instances. Preemptible instances cannot be automatically restarted.
                 #
                 # By default, this is set to true so an instance is automatically restarted if it is terminated by Compute Engine.
@@ -1047,7 +1047,7 @@
               },
             ],
             "onHostMaintenance": "A String", # Defines the maintenance behavior for this instance. For standard instances, the default behavior is MIGRATE. For preemptible instances, the default and only possible behavior is TERMINATE. For more information, see Setting Instance Scheduling Options.
-            "preemptible": True or False, # Defines whether the instance is preemptible. This can only be set during instance creation, it cannot be set or changed after the instance has been created.
+            "preemptible": True or False, # Defines whether the instance is preemptible. This can only be set during instance creation or while the instance is stopped and therefore, in a `TERMINATED` state. See Instance Life Cycle for more information on the possible instance states.
           },
           "serviceAccounts": [ # A list of service accounts with specified scopes. Access tokens for these service accounts are available to the instances that are created from this machine image. Use metadata queries to obtain the access tokens for these instances.
             { # A service account.
@@ -1067,7 +1067,7 @@
           },
         },
         "status": "A String", # [Output Only] The status of the machine image. One of the following values: INVALID, CREATING, READY, DELETING, and UPLOADING.
-        "storageLocations": [ # GCS bucket storage location of the machine image (regional or multi-regional).
+        "storageLocations": [ # The regional or multi-regional Cloud Storage bucket location where the machine image is stored.
           "A String",
         ],
         "totalStorageBytes": "A String", # [Output Only] Total size of the storage used by the machine image.
@@ -1200,13 +1200,13 @@
             #
             # Example Policy with multiple AuditConfigs:
             #
-            # { "audit_configs": [ { "service": "allServices" "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:jose@example.com" ] }, { "log_type": "DATA_WRITE", }, { "log_type": "ADMIN_READ", } ] }, { "service": "sampleservice.googleapis.com" "audit_log_configs": [ { "log_type": "DATA_READ", }, { "log_type": "DATA_WRITE", "exempted_members": [ "user:aliya@example.com" ] } ] } ] }
+            # { "audit_configs": [ { "service": "allServices", "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:jose@example.com" ] }, { "log_type": "DATA_WRITE" }, { "log_type": "ADMIN_READ" } ] }, { "service": "sampleservice.googleapis.com", "audit_log_configs": [ { "log_type": "DATA_READ" }, { "log_type": "DATA_WRITE", "exempted_members": [ "user:aliya@example.com" ] } ] } ] }
             #
             # For sampleservice, this policy enables DATA_READ, DATA_WRITE and ADMIN_READ logging. It also exempts jose@example.com from DATA_READ logging, and aliya@example.com from DATA_WRITE logging.
           "auditLogConfigs": [ # The configuration for logging of each type of permission.
             { # Provides the configuration for logging a type of permissions. Example:
                 #
-                # { "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:jose@example.com" ] }, { "log_type": "DATA_WRITE", } ] }
+                # { "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:jose@example.com" ] }, { "log_type": "DATA_WRITE" } ] }
                 #
                 # This enables 'DATA_READ' and 'DATA_WRITE' logging, while exempting jose@example.com from DATA_READ logging.
               "exemptedMembers": [ # Specifies the identities that do not cause logging for this type of permission. Follows the same format of [Binding.members][].
@@ -1387,13 +1387,13 @@
           #
           # Example Policy with multiple AuditConfigs:
           #
-          # { "audit_configs": [ { "service": "allServices" "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:jose@example.com" ] }, { "log_type": "DATA_WRITE", }, { "log_type": "ADMIN_READ", } ] }, { "service": "sampleservice.googleapis.com" "audit_log_configs": [ { "log_type": "DATA_READ", }, { "log_type": "DATA_WRITE", "exempted_members": [ "user:aliya@example.com" ] } ] } ] }
+          # { "audit_configs": [ { "service": "allServices", "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:jose@example.com" ] }, { "log_type": "DATA_WRITE" }, { "log_type": "ADMIN_READ" } ] }, { "service": "sampleservice.googleapis.com", "audit_log_configs": [ { "log_type": "DATA_READ" }, { "log_type": "DATA_WRITE", "exempted_members": [ "user:aliya@example.com" ] } ] } ] }
           #
           # For sampleservice, this policy enables DATA_READ, DATA_WRITE and ADMIN_READ logging. It also exempts jose@example.com from DATA_READ logging, and aliya@example.com from DATA_WRITE logging.
         "auditLogConfigs": [ # The configuration for logging of each type of permission.
           { # Provides the configuration for logging a type of permissions. Example:
               #
-              # { "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:jose@example.com" ] }, { "log_type": "DATA_WRITE", } ] }
+              # { "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:jose@example.com" ] }, { "log_type": "DATA_WRITE" } ] }
               #
               # This enables 'DATA_READ' and 'DATA_WRITE' logging, while exempting jose@example.com from DATA_READ logging.
             "exemptedMembers": [ # Specifies the identities that do not cause logging for this type of permission. Follows the same format of [Binding.members][].