diff --git a/task-provider-sample/package.json b/task-provider-sample/package.json
index a6c9ea84..11b33de5 100644
--- a/task-provider-sample/package.json
+++ b/task-provider-sample/package.json
@@ -5,7 +5,7 @@
 	"version": "0.0.1",
 	"publisher": "ms-vscode",
 	"engines": {
-		"vscode": "^1.23.0"
+		"vscode": "^1.26.0"
 	},
 	"categories": [
 		"Other"
diff --git a/task-provider-sample/src/extension.ts b/task-provider-sample/src/extension.ts
index b1ceba8e..883c7337 100644
--- a/task-provider-sample/src/extension.ts
+++ b/task-provider-sample/src/extension.ts
@@ -22,7 +22,7 @@ export function activate(_context: vscode.ExtensionContext): void {
 	fileWatcher.onDidChange(() => rakePromise = undefined);
 	fileWatcher.onDidCreate(() => rakePromise = undefined);
 	fileWatcher.onDidDelete(() => rakePromise = undefined);
-	taskProvider = vscode.workspace.registerTaskProvider('rake', {
+	taskProvider = vscode.tasks.registerTaskProvider('rake', {
 		provideTasks: () => {
 			if (!rakePromise) {
 				rakePromise = getRakeTasks();
@@ -69,7 +69,14 @@ function getOutputChannel(): vscode.OutputChannel {
 }
 
 interface RakeTaskDefinition extends vscode.TaskDefinition {
+	/**
+	 * The task name
+	 */
 	task: string;
+
+	/**
+	 * The rake file containing the task
+	 */
 	file?: string;
 }