Add conpty note

Author: Tyriar

src/vs/workbench/contrib/terminal/common/terminalConfiguration.ts

@@ -588,7 +588,7 @@ const terminalConfiguration: IConfigurationNode = {
 		},
 		[TerminalSettingId.ExperimentalImageSupport]: {
 			restricted: true,
-			markdownDescription: localize('terminal.integrated.experimentalImageSupport', "Enables experimental image support in the terminal. Both sixel and iTerm's inline image protocol are supported. Images will not be retained currently between window reloads/reconnects."),
+			markdownDescription: localize('terminal.integrated.experimentalImageSupport', "Enables experimental image support in the terminal. Both sixel and iTerm's inline image protocol are supported on Linux and macOS, Windows support will light up automatically when ConPTY passes through the sequences. Images will not be retained currently between window reloads/reconnects."),
 			type: 'boolean',
 			default: false,
 			tags: ['experimental']