diff --git a/extensions/markdown/src/security.ts b/extensions/markdown/src/security.ts
index 693a00ba7eb..5c269f7fb26 100644
--- a/extensions/markdown/src/security.ts
+++ b/extensions/markdown/src/security.ts
@@ -73,11 +73,6 @@ export class ExtensionContentSecurityPolicyArbiter implements ContentSecurityPol
 	}
 }
 
-
-interface PreviewSecurityPickItem extends vscode.QuickPickItem {
-	level: MarkdownPreviewSecurityLevel;
-}
-
 export class PreviewSecuritySelector {
 
 	public constructor(
@@ -86,6 +81,10 @@ export class PreviewSecuritySelector {
 	) { }
 
 	public async showSecutitySelectorForResource(resource: vscode.Uri): Promise<void> {
+		interface PreviewSecurityPickItem extends vscode.QuickPickItem {
+			type: 'moreinfo' | MarkdownPreviewSecurityLevel;
+		}
+
 		function markActiveWhen(when: boolean): string {
 			return when ? '• ' : '';
 		}
@@ -94,18 +93,22 @@ export class PreviewSecuritySelector {
 		const selection = await vscode.window.showQuickPick<PreviewSecurityPickItem>(
 			[
 				{
-					level: MarkdownPreviewSecurityLevel.Strict,
+					type: MarkdownPreviewSecurityLevel.Strict,
 					label: markActiveWhen(currentSecurityLevel === MarkdownPreviewSecurityLevel.Strict) + localize('strict.title', 'Strict'),
 					description: localize('strict.description', 'Only load secure content'),
 				}, {
-					level: MarkdownPreviewSecurityLevel.AllowInsecureContent,
+					type: MarkdownPreviewSecurityLevel.AllowInsecureContent,
 					label: markActiveWhen(currentSecurityLevel === MarkdownPreviewSecurityLevel.AllowInsecureContent) + localize('insecureContent.title', 'Allow insecure content'),
 					description: localize('insecureContent.description', 'Enable loading content over http'),
 				}, {
-					level: MarkdownPreviewSecurityLevel.AllowScriptsAndAllContent,
+					type: MarkdownPreviewSecurityLevel.AllowScriptsAndAllContent,
 					label: markActiveWhen(currentSecurityLevel === MarkdownPreviewSecurityLevel.AllowScriptsAndAllContent) + localize('disable.title', 'Disable'),
 					description: localize('disable.description', 'Allow all content and script execution. Not recommended'),
-				},
+				}, {
+					type: 'moreinfo',
+					label: localize('moreInfo.title', 'More Information'),
+					description: ''
+				}
 			], {
 				placeHolder: localize(
 					'preview.showPreviewSecuritySelector.title',
@@ -116,7 +119,12 @@ export class PreviewSecuritySelector {
 			return;
 		}
 
-		await this.cspArbiter.setSecurityLevelForResource(resource, selection.level);
+		if (selection.type === 'moreinfo') {
+			vscode.commands.executeCommand('vscode.open', vscode.Uri.parse('https://go.microsoft.com/fwlink/?linkid=854414'));
+			return;
+		}
+
+		await this.cspArbiter.setSecurityLevelForResource(resource, selection.type);
 
 		const sourceUri = getMarkdownUri(resource);