diff --git a/test/playground.generated/extending-language-services-completion-provider-example.html b/test/playground.generated/extending-language-services-completion-provider-example.html
index c61819ef..4d81feea 100644
--- a/test/playground.generated/extending-language-services-completion-provider-example.html
+++ b/test/playground.generated/extending-language-services-completion-provider-example.html
@@ -63,6 +63,7 @@ function createDependencyProposals() {
 
 
 monaco.languages.registerCompletionItemProvider('json', {
+    triggerCharacters: ['\"'],
     provideCompletionItems: function(model, position) {
         // find out if we are completing a property in the 'dependencies' object.
         var textUntilPosition = model.getValueInRange({startLineNumber: 1, startColumn: 1, endLineNumber: position.lineNumber, endColumn: position.column});
diff --git a/website/playground/new-samples/extending-language-services/completion-provider-example/sample.js b/website/playground/new-samples/extending-language-services/completion-provider-example/sample.js
index 4f58251e..4a8b2913 100644
--- a/website/playground/new-samples/extending-language-services/completion-provider-example/sample.js
+++ b/website/playground/new-samples/extending-language-services/completion-provider-example/sample.js
@@ -25,6 +25,7 @@ function createDependencyProposals() {
 
 
 monaco.languages.registerCompletionItemProvider('json', {
+    triggerCharacters: ['\"'],
     provideCompletionItems: function(model, position) {
         // find out if we are completing a property in the 'dependencies' object.
         var textUntilPosition = model.getValueInRange({startLineNumber: 1, startColumn: 1, endLineNumber: position.lineNumber, endColumn: position.column});