diff --git a/dist/samples/3d-model-interactive/app/index.ts b/dist/samples/3d-model-interactive/app/index.ts
index 910ec81a..408fe8e0 100644
--- a/dist/samples/3d-model-interactive/app/index.ts
+++ b/dist/samples/3d-model-interactive/app/index.ts
@@ -7,6 +7,7 @@
 // @ts-nocheck
 // [START maps_3d_model_interactive]
 async function init() {
+    // Import the needed libraries.
     const { Map3DElement, Model3DInteractiveElement } = await google.maps.importLibrary("maps3d");
 
     const map = new Map3DElement({
diff --git a/dist/samples/3d-model-interactive/docs/index.js b/dist/samples/3d-model-interactive/docs/index.js
index 79ff64f0..dc145751 100644
--- a/dist/samples/3d-model-interactive/docs/index.js
+++ b/dist/samples/3d-model-interactive/docs/index.js
@@ -7,6 +7,7 @@
 // @ts-nocheck
 // [START maps_3d_model_interactive]
 async function init() {
+    // Import the needed libraries.
     const { Map3DElement, Model3DInteractiveElement } = await google.maps.importLibrary("maps3d");
     const map = new Map3DElement({
         center: { lat: 39.1178, lng: -106.4452, altitude: 4395.4952 }, range: 1500, tilt: 74, heading: 0,
diff --git a/dist/samples/3d-model-interactive/docs/index.ts b/dist/samples/3d-model-interactive/docs/index.ts
index 910ec81a..408fe8e0 100644
--- a/dist/samples/3d-model-interactive/docs/index.ts
+++ b/dist/samples/3d-model-interactive/docs/index.ts
@@ -7,6 +7,7 @@
 // @ts-nocheck
 // [START maps_3d_model_interactive]
 async function init() {
+    // Import the needed libraries.
     const { Map3DElement, Model3DInteractiveElement } = await google.maps.importLibrary("maps3d");
 
     const map = new Map3DElement({
diff --git a/dist/samples/3d-model-interactive/jsfiddle/demo.js b/dist/samples/3d-model-interactive/jsfiddle/demo.js
index e1fdf962..45e36a57 100644
--- a/dist/samples/3d-model-interactive/jsfiddle/demo.js
+++ b/dist/samples/3d-model-interactive/jsfiddle/demo.js
@@ -7,6 +7,7 @@
 // @ts-nocheck
 
 async function init() {
+    // Import the needed libraries.
     const { Map3DElement, Model3DInteractiveElement } = await google.maps.importLibrary("maps3d");
     const map = new Map3DElement({
         center: { lat: 39.1178, lng: -106.4452, altitude: 4395.4952 }, range: 1500, tilt: 74, heading: 0,