diff --git a/src/vs/workbench/parts/extensions/browser/extensionEditor.ts b/src/vs/workbench/parts/extensions/browser/extensionEditor.ts
index e6ed7ac991a535185d484cc9b94a08edfc90b96f..c5ce5d15709f9c87a2b34613117935f6a9fdabc0 100644
--- a/src/vs/workbench/parts/extensions/browser/extensionEditor.ts
+++ b/src/vs/workbench/parts/extensions/browser/extensionEditor.ts
@@ -55,7 +55,7 @@ function renderBody(body: string): string {
 		<html>
 			<head>
 				<meta http-equiv="Content-type" content="text/html;charset=UTF-8">
-				<meta http-equiv="Content-Security-Policy" content="default-src 'none'; img-src http: https:; media-src https:; script-src 'none'; style-src file:; child-src 'none'; frame-src 'none';">
+				<meta http-equiv="Content-Security-Policy" content="default-src 'none'; img-src https:; media-src https:; script-src 'none'; style-src file:; child-src 'none'; frame-src 'none';">
 				<link rel="stylesheet" type="text/css" href="${require.toUrl('./media/markdown.css')}">
 			</head>
 			<body>${body}</body>
