diff --git a/src/vs/workbench/parts/experiments/electron-browser/experimentalPrompt.ts b/src/vs/workbench/parts/experiments/electron-browser/experimentalPrompt.ts
index d92206737f5db69f3bce13f7ee7dc8b891d6f1f6..f0fb773e43556d30398c3ccc870fd3f2d6e06437 100644
--- a/src/vs/workbench/parts/experiments/electron-browser/experimentalPrompt.ts
+++ b/src/vs/workbench/parts/experiments/electron-browser/experimentalPrompt.ts
@@ -10,6 +10,7 @@ import { ITelemetryService } from 'vs/platform/telemetry/common/telemetry';
 import { IExtensionsViewlet } from 'vs/workbench/parts/extensions/common/extensions';
 import { IWorkbenchContribution } from 'vs/workbench/common/contributions';
 import { Disposable, IDisposable, dispose } from 'vs/base/common/lifecycle';
+import { language } from 'vs/base/common/platform';
 
 export class ExperimentalPrompts extends Disposable implements IWorkbenchContribution {
 	private _disposables: IDisposable[] = [];
@@ -50,7 +51,8 @@ export class ExperimentalPrompts extends Disposable implements IWorkbenchContrib
 		};
 
 		const actionProperties = (<IExperimentActionPromptProperties>experiment.action.properties);
-		if (!actionProperties || !actionProperties.promptText) {
+		const promptText = ExperimentalPrompts.getPromptText(actionProperties, language);
+		if (!actionProperties || !promptText) {
 			return;
 		}
 		if (!actionProperties.commands) {
@@ -80,7 +82,7 @@ export class ExperimentalPrompts extends Disposable implements IWorkbenchContrib
 			};
 		});
 
-		this.notificationService.prompt(Severity.Info, actionProperties.promptText, choices, {
+		this.notificationService.prompt(Severity.Info, promptText, choices, {
 			onCancel: () => {
 				logTelemetry();
 				this.experimentService.markAsCompleted(experiment.id);
@@ -91,4 +93,15 @@ export class ExperimentalPrompts extends Disposable implements IWorkbenchContrib
 	dispose() {
 		this._disposables = dispose(this._disposables);
 	}
+
+	static getPromptText(actionProperties: IExperimentActionPromptProperties, displayLanguage: string): string {
+		if (typeof actionProperties.promptText === 'string') {
+			return actionProperties.promptText;
+		}
+		displayLanguage = displayLanguage.toLowerCase();
+		if (!actionProperties.promptText[displayLanguage] && displayLanguage.indexOf('-') === 2) {
+			displayLanguage = displayLanguage.substr(0, 2);
+		}
+		return actionProperties.promptText[displayLanguage];
+	}
 }
diff --git a/src/vs/workbench/parts/experiments/node/experimentService.ts b/src/vs/workbench/parts/experiments/node/experimentService.ts
index d407611aa03349d12e98a4626c9b4b7b5c665ea6..c483896b8b716ccd49215b0020d426673d3ed507 100644
--- a/src/vs/workbench/parts/experiments/node/experimentService.ts
+++ b/src/vs/workbench/parts/experiments/node/experimentService.ts
@@ -76,7 +76,7 @@ export enum ExperimentActionType {
 }
 
 export interface IExperimentActionPromptProperties {
-	promptText: string;
+	promptText: string | { [key: string]: string };
 	commands: IExperimentActionPromptCommand[];
 }
 
diff --git a/src/vs/workbench/parts/experiments/test/electron-browser/experimentalPrompts.test.ts b/src/vs/workbench/parts/experiments/test/electron-browser/experimentalPrompts.test.ts
index 995f1498e45956e05def57e9a6794e26bc4b59b0..44df807b708e0de19610148d0f78627ef82e0fe2 100644
--- a/src/vs/workbench/parts/experiments/test/electron-browser/experimentalPrompts.test.ts
+++ b/src/vs/workbench/parts/experiments/test/electron-browser/experimentalPrompts.test.ts
@@ -5,7 +5,7 @@
 
 import * as assert from 'assert';
 
-import { IExperiment, ExperimentActionType, IExperimentService, ExperimentState } from 'vs/workbench/parts/experiments/node/experimentService';
+import { IExperiment, ExperimentActionType, IExperimentService, ExperimentState, IExperimentActionPromptProperties } from 'vs/workbench/parts/experiments/node/experimentService';
 
 import { TestInstantiationService } from 'vs/platform/instantiation/test/common/instantiationServiceMock';
 import { Emitter } from 'vs/base/common/event';
@@ -157,4 +157,28 @@ suite('Experimental Prompts', () => {
 		});
 
 	});
+
+	test('Test getPromptText', () => {
+		const simpleTextCase: IExperimentActionPromptProperties = {
+			promptText: 'My simple prompt',
+			commands: []
+		};
+		const englishTextCase: IExperimentActionPromptProperties = {
+			promptText: {
+				en: 'My simple prompt for en'
+			},
+			commands: []
+		};
+		const englishUSTextCase: IExperimentActionPromptProperties = {
+			promptText: {
+				'en-us': 'My simple prompt for en'
+			},
+			commands: []
+		};
+		assert.equal(ExperimentalPrompts.getPromptText(simpleTextCase, 'any-language'), simpleTextCase.promptText);
+		assert.equal(ExperimentalPrompts.getPromptText(englishTextCase, 'en'), englishTextCase.promptText['en']);
+		assert.equal(ExperimentalPrompts.getPromptText(englishUSTextCase, 'en-us'), englishUSTextCase.promptText['en-us']);
+		assert.equal(ExperimentalPrompts.getPromptText(englishTextCase, 'en-au'), englishTextCase.promptText['en']);
+		assert.equal(!!ExperimentalPrompts.getPromptText(englishTextCase, 'de'), false);
+	});
 });
\ No newline at end of file