Fixed prettier formatting

Author: thegooman

advanced/kernel-output/README.md

@@ -55,7 +55,7 @@ the kernel) is started with these lines:
 this._sessionContext = new SessionContext({
   sessionManager: manager.sessions,
   specsManager: manager.kernelspecs,
-  name: 'Kernel Output',
+  name: 'Kernel Output'
 });
 ```
 
@@ -129,7 +129,7 @@ the data to show:
 this._outputareamodel = new OutputAreaModel();
 this._outputarea = new SimplifiedOutputArea({
   model: this._outputareamodel,
-  rendermime: rendermime,
+  rendermime: rendermime
 });
 ```
 
@@ -188,7 +188,7 @@ on a list:
 // src/index.ts#L110-L114
 
 // add items in command palette and menu
-[CommandIDs.create, CommandIDs.execute].forEach((command) => {
+[CommandIDs.create, CommandIDs.execute].forEach(command => {
   palette.addItem({ command, category });
   exampleMenu.addItem({ command });
 });
@@ -245,14 +245,14 @@ commands.addCommand(CommandIDs.execute, {
     const input = await InputDialog.getText({
       title: trans.__('Code to execute'),
       okLabel: trans.__('Execute'),
-      placeholder: trans.__('Statement to execute'),
+      placeholder: trans.__('Statement to execute')
     });
     // Execute the statement
     if (input.button.accept) {
       const code = input.value;
       panel.execute(code);
     }
-  },
+  }
 });
 ```