diff --git a/src/index.ts b/src/index.ts
index 3500bd78..a85f6602 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -176,8 +176,10 @@ const plugin: JupyterFrontEndPlugin<void> = {
           const includeTokenCheckbox = document.createElement('input');
           includeTokenCheckbox.type = 'checkbox';
           const tokenLabel = document.createElement('label');
-          tokenLabel.appendChild(includeTokenCheckbox)
-          tokenLabel.appendChild(document.createTextNode(trans.__('Include token in URL')));
+          tokenLabel.appendChild(includeTokenCheckbox);
+          tokenLabel.appendChild(
+            document.createTextNode(trans.__('Include token in URL'))
+          );
           dialogBody.appendChild(tokenLabel);
 
           // when checkbox changes, toggle URL and message