diff --git a/.scripts/samples.js b/.scripts/samples.js
index fe27b5e3..aa321d27 100644
--- a/.scripts/samples.js
+++ b/.scripts/samples.js
@@ -52,7 +52,7 @@ const samples = [{
 		path: 'decorator-sample',
 		guide: null,
 		apis: ['TextEditor.setDecorations', 'DecorationOptions', 'DecorationInstanceRenderOptions', 'ThemableDecorationInstanceRenderOptions', 'window.createTextEditorDecorationType', 'TextEditorDecorationType'],
-		contributions: []
+		contributions: [ 'colors']
 	},
 	// { description: 'extension-deps-sample', path: 'extension-deps-sample', guide: null, apis: [], contributions: [] },
 	// { description: 'hellocode-minimal-sample', path: 'hellocode-minimal-sample', guide: null, apis: [], contributions: [] },
diff --git a/decorator-sample/.vscodeignore b/decorator-sample/.vscodeignore
index 9ca85fe6..213bfc7a 100644
--- a/decorator-sample/.vscodeignore
+++ b/decorator-sample/.vscodeignore
@@ -1,7 +1,6 @@
 .vscode/**
-typings/**
 **/*.ts
 **/*.map
 .gitignore
+tslint.json
 tsconfig.json
-vsc-extension-quickstart.md
diff --git a/decorator-sample/README.md b/decorator-sample/README.md
index d701d6eb..ee700de8 100644
--- a/decorator-sample/README.md
+++ b/decorator-sample/README.md
@@ -6,7 +6,7 @@ The sample creates a decoration for each number that appears in the active edito
 demonstrates some of the decorator features such as borders, background colors, cursors
 and hovers.
 
-The sample also shows the use of a user defined themeable color. This is the recommended way when using cololrs as it allows users (and themes) to configure the color in the user settings.
+The sample also shows the use of a user defined themeable color. Instead of hardcoding a color value this allows users (and themes) to redefine the color in the user settings.
 
 ![sample](preview.png)
 
diff --git a/decorator-sample/src/extension.ts b/decorator-sample/src/extension.ts
index f2142c67..9c573189 100644
--- a/decorator-sample/src/extension.ts
+++ b/decorator-sample/src/extension.ts
@@ -24,6 +24,7 @@ export function activate(context: vscode.ExtensionContext) {
 	// create a decorator type that we use to decorate large numbers
 	const largeNumberDecorationType = vscode.window.createTextEditorDecorationType({
 		cursor: 'crosshair',
+		// use a themable color. See package.json for the declaration and default values.
 		backgroundColor: { id: 'myextension.largeNumberBackground' }
 	});
 
@@ -45,7 +46,7 @@ export function activate(context: vscode.ExtensionContext) {
 		}
 	}, null, context.subscriptions);
 
-	let timeout = null;
+	let timeout : NodeJS.Timer | null = null;
 	function triggerUpdateDecorations() {
 		if (timeout) {
 			clearTimeout(timeout);