fix microsoft#172252 (microsoft#172484)

Author: sandy081

src/vs/workbench/contrib/extensions/browser/extensions.contribution.ts

@@ -136,8 +136,8 @@ Registry.as<IConfigurationRegistry>(ConfigurationExtensions.Configuration)
 					localize('none', "None"),
 				],
 				enumDescriptions: [
-					localize('extensions.autoUpdate.true', 'Download and install updates automatically for all extensions.'),
-					localize('extensions.autoUpdate.enabled', 'Download and install updates automatically only for enabled extensions. Disabled extensions will not be updated automatically.'),
+					localize('extensions.autoUpdate.true', 'Download and install updates automatically for all extensions except for those updates are ignored.'),
+					localize('extensions.autoUpdate.enabled', 'Download and install updates automatically only for enabled extensions except for those updates are ignored. Disabled extensions are not updated automatically.'),
 					localize('extensions.autoUpdate.false', 'Extensions are not automatically updated.'),
 				],
 				description: localize('extensions.autoUpdate', "Controls the automatic update behavior of extensions. The updates are fetched from a Microsoft online service."),