diff --git a/samples/browser/quickstart/.env.example b/samples/browser/quickstart/.env.example
index 6a999c0..e38f402 100644
--- a/samples/browser/quickstart/.env.example
+++ b/samples/browser/quickstart/.env.example
@@ -1,4 +1,4 @@
-# Base URL of your ThunderID deployment (org tenant).
+# Base URL of your ThunderID deployment. ex: https://localhost:8090
 VITE_THUNDERID_BASE_URL=https://localhost:8090
 
 # OAuth2 Client ID for this app. ThunderID Console -> your application -> Overview.
diff --git a/samples/browser/quickstart/scripts/prepare-dev.cjs b/samples/browser/quickstart/scripts/prepare-dev.cjs
index 6a08904..8e20fa4 100644
--- a/samples/browser/quickstart/scripts/prepare-dev.cjs
+++ b/samples/browser/quickstart/scripts/prepare-dev.cjs
@@ -9,11 +9,12 @@ const root = path.join(__dirname, '..');
 const envExample = path.join(root, '.env.example');
 const envTarget = path.join(root, '.env');
 if (fs.existsSync(envExample) && !fs.existsSync(envTarget)) {
-  // Blank placeholder values (e.g. `your-client-id-here`) so the copied .env
-  // still trips the app's missing-env-var check until real values are filled in.
+  // Blank placeholder values (e.g. `your-client-id-here`, the sample base URL)
+  // so the copied .env still trips the app's missing-env-var check until real
+  // values are filled in.
   const envContent = fs
     .readFileSync(envExample, 'utf8')
-    .replace(/^([A-Z0-9_]+)=(your-\S*|generate-with-\S*)$/gm, '$1=');
+    .replace(/^([A-Z0-9_]+)=(your-\S*|generate-with-\S*|https:\/\/localhost:8090)$/gm, '$1=');
   fs.writeFileSync(envTarget, envContent);
 }
 
diff --git a/samples/express/quickstart/.env.example b/samples/express/quickstart/.env.example
index d874a50..968abea 100644
--- a/samples/express/quickstart/.env.example
+++ b/samples/express/quickstart/.env.example
@@ -1,4 +1,4 @@
-# Base URL of your ThunderID deployment (org tenant).
+# Base URL of your ThunderID deployment. ex: https://localhost:8090
 THUNDERID_BASE_URL=https://localhost:8090
 
 # OAuth2 Client ID for this app. ThunderID Console -> your application -> Overview.
diff --git a/samples/express/quickstart/scripts/prepare-dev.cjs b/samples/express/quickstart/scripts/prepare-dev.cjs
index 6a08904..8e20fa4 100644
--- a/samples/express/quickstart/scripts/prepare-dev.cjs
+++ b/samples/express/quickstart/scripts/prepare-dev.cjs
@@ -9,11 +9,12 @@ const root = path.join(__dirname, '..');
 const envExample = path.join(root, '.env.example');
 const envTarget = path.join(root, '.env');
 if (fs.existsSync(envExample) && !fs.existsSync(envTarget)) {
-  // Blank placeholder values (e.g. `your-client-id-here`) so the copied .env
-  // still trips the app's missing-env-var check until real values are filled in.
+  // Blank placeholder values (e.g. `your-client-id-here`, the sample base URL)
+  // so the copied .env still trips the app's missing-env-var check until real
+  // values are filled in.
   const envContent = fs
     .readFileSync(envExample, 'utf8')
-    .replace(/^([A-Z0-9_]+)=(your-\S*|generate-with-\S*)$/gm, '$1=');
+    .replace(/^([A-Z0-9_]+)=(your-\S*|generate-with-\S*|https:\/\/localhost:8090)$/gm, '$1=');
   fs.writeFileSync(envTarget, envContent);
 }
 
diff --git a/samples/nextjs/quickstart/.env.example b/samples/nextjs/quickstart/.env.example
index 43ae09b..80f281c 100644
--- a/samples/nextjs/quickstart/.env.example
+++ b/samples/nextjs/quickstart/.env.example
@@ -1,4 +1,4 @@
-# Base URL of your ThunderID deployment (org tenant).
+# Base URL of your ThunderID deployment. ex: https://localhost:8090
 NEXT_PUBLIC_THUNDERID_BASE_URL=https://localhost:8090
 
 # OAuth2 Client Secret for this app. Shown once when the application is created;
diff --git a/samples/nextjs/quickstart/scripts/prepare-dev.cjs b/samples/nextjs/quickstart/scripts/prepare-dev.cjs
index c90ba9b..7d638c9 100644
--- a/samples/nextjs/quickstart/scripts/prepare-dev.cjs
+++ b/samples/nextjs/quickstart/scripts/prepare-dev.cjs
@@ -47,9 +47,10 @@ const envTarget = path.join(root, '.env');
 if (fs.existsSync(envExample) && (flowExplicitlyRequested || !fs.existsSync(envTarget))) {
   const envSource = fs.existsSync(envTarget) ? envTarget : envExample;
   const envContent = applyFlow(fs.readFileSync(envSource, 'utf8'), flow)
-    // Blank placeholder values (e.g. `your-client-id-here`) so the copied .env
-    // still trips the app's missing-env-var check until real values are filled in.
-    .replace(/^([A-Z0-9_]+)=(your-\S*|generate-with-\S*)$/gm, '$1=');
+    // Blank placeholder values (e.g. `your-client-id-here`, the sample base URL)
+    // so the copied .env still trips the app's missing-env-var check until real
+    // values are filled in.
+    .replace(/^([A-Z0-9_]+)=(your-\S*|generate-with-\S*|https:\/\/localhost:8090)$/gm, '$1=');
   fs.writeFileSync(envTarget, envContent);
 }
 
diff --git a/samples/node/quickstart/.env.example b/samples/node/quickstart/.env.example
index b7fceca..ac2c714 100644
--- a/samples/node/quickstart/.env.example
+++ b/samples/node/quickstart/.env.example
@@ -1,4 +1,4 @@
-# Base URL of your ThunderID deployment (org tenant).
+# Base URL of your ThunderID deployment. ex: https://localhost:8090
 THUNDERID_BASE_URL=https://localhost:8090
 
 # OAuth2 Client ID for this service. ThunderID Console -> your application -> Overview.
diff --git a/samples/node/quickstart/scripts/prepare-dev.cjs b/samples/node/quickstart/scripts/prepare-dev.cjs
index 6a08904..8e20fa4 100644
--- a/samples/node/quickstart/scripts/prepare-dev.cjs
+++ b/samples/node/quickstart/scripts/prepare-dev.cjs
@@ -9,11 +9,12 @@ const root = path.join(__dirname, '..');
 const envExample = path.join(root, '.env.example');
 const envTarget = path.join(root, '.env');
 if (fs.existsSync(envExample) && !fs.existsSync(envTarget)) {
-  // Blank placeholder values (e.g. `your-client-id-here`) so the copied .env
-  // still trips the app's missing-env-var check until real values are filled in.
+  // Blank placeholder values (e.g. `your-client-id-here`, the sample base URL)
+  // so the copied .env still trips the app's missing-env-var check until real
+  // values are filled in.
   const envContent = fs
     .readFileSync(envExample, 'utf8')
-    .replace(/^([A-Z0-9_]+)=(your-\S*|generate-with-\S*)$/gm, '$1=');
+    .replace(/^([A-Z0-9_]+)=(your-\S*|generate-with-\S*|https:\/\/localhost:8090)$/gm, '$1=');
   fs.writeFileSync(envTarget, envContent);
 }
 
diff --git a/samples/nuxt/quickstart/.env.example b/samples/nuxt/quickstart/.env.example
index 011d93f..f38a92a 100644
--- a/samples/nuxt/quickstart/.env.example
+++ b/samples/nuxt/quickstart/.env.example
@@ -1,4 +1,4 @@
-# Base URL of your ThunderID deployment (org tenant).
+# Base URL of your ThunderID deployment. ex: https://localhost:8090
 NUXT_PUBLIC_THUNDERID_BASE_URL=https://localhost:8090
 
 # OAuth2 Client Secret for this app. Shown once when the application is created;
diff --git a/samples/nuxt/quickstart/scripts/prepare-dev.cjs b/samples/nuxt/quickstart/scripts/prepare-dev.cjs
index bf80daf..99dad6a 100644
--- a/samples/nuxt/quickstart/scripts/prepare-dev.cjs
+++ b/samples/nuxt/quickstart/scripts/prepare-dev.cjs
@@ -47,9 +47,10 @@ const envTarget = path.join(root, '.env');
 if (fs.existsSync(envExample) && (flowExplicitlyRequested || !fs.existsSync(envTarget))) {
   const envSource = fs.existsSync(envTarget) ? envTarget : envExample;
   const envContent = applyFlow(fs.readFileSync(envSource, 'utf8'), flow)
-    // Blank placeholder values (e.g. `your-client-id-here`) so the copied .env
-    // still trips the app's missing-env-var check until real values are filled in.
-    .replace(/^([A-Z0-9_]+)=(your-\S*|generate-with-\S*)$/gm, '$1=');
+    // Blank placeholder values (e.g. `your-client-id-here`, the sample base URL)
+    // so the copied .env still trips the app's missing-env-var check until real
+    // values are filled in.
+    .replace(/^([A-Z0-9_]+)=(your-\S*|generate-with-\S*|https:\/\/localhost:8090)$/gm, '$1=');
   fs.writeFileSync(envTarget, envContent);
 }
 
diff --git a/samples/react/quickstart/.env.example b/samples/react/quickstart/.env.example
index 6a999c0..e38f402 100644
--- a/samples/react/quickstart/.env.example
+++ b/samples/react/quickstart/.env.example
@@ -1,4 +1,4 @@
-# Base URL of your ThunderID deployment (org tenant).
+# Base URL of your ThunderID deployment. ex: https://localhost:8090
 VITE_THUNDERID_BASE_URL=https://localhost:8090
 
 # OAuth2 Client ID for this app. ThunderID Console -> your application -> Overview.
diff --git a/samples/react/quickstart/scripts/prepare-dev.cjs b/samples/react/quickstart/scripts/prepare-dev.cjs
index 6a08904..8e20fa4 100644
--- a/samples/react/quickstart/scripts/prepare-dev.cjs
+++ b/samples/react/quickstart/scripts/prepare-dev.cjs
@@ -9,11 +9,12 @@ const root = path.join(__dirname, '..');
 const envExample = path.join(root, '.env.example');
 const envTarget = path.join(root, '.env');
 if (fs.existsSync(envExample) && !fs.existsSync(envTarget)) {
-  // Blank placeholder values (e.g. `your-client-id-here`) so the copied .env
-  // still trips the app's missing-env-var check until real values are filled in.
+  // Blank placeholder values (e.g. `your-client-id-here`, the sample base URL)
+  // so the copied .env still trips the app's missing-env-var check until real
+  // values are filled in.
   const envContent = fs
     .readFileSync(envExample, 'utf8')
-    .replace(/^([A-Z0-9_]+)=(your-\S*|generate-with-\S*)$/gm, '$1=');
+    .replace(/^([A-Z0-9_]+)=(your-\S*|generate-with-\S*|https:\/\/localhost:8090)$/gm, '$1=');
   fs.writeFileSync(envTarget, envContent);
 }
 
diff --git a/samples/vue/quickstart/.env.example b/samples/vue/quickstart/.env.example
index 6a999c0..e38f402 100644
--- a/samples/vue/quickstart/.env.example
+++ b/samples/vue/quickstart/.env.example
@@ -1,4 +1,4 @@
-# Base URL of your ThunderID deployment (org tenant).
+# Base URL of your ThunderID deployment. ex: https://localhost:8090
 VITE_THUNDERID_BASE_URL=https://localhost:8090
 
 # OAuth2 Client ID for this app. ThunderID Console -> your application -> Overview.
diff --git a/samples/vue/quickstart/scripts/prepare-dev.cjs b/samples/vue/quickstart/scripts/prepare-dev.cjs
index 6a08904..8e20fa4 100644
--- a/samples/vue/quickstart/scripts/prepare-dev.cjs
+++ b/samples/vue/quickstart/scripts/prepare-dev.cjs
@@ -9,11 +9,12 @@ const root = path.join(__dirname, '..');
 const envExample = path.join(root, '.env.example');
 const envTarget = path.join(root, '.env');
 if (fs.existsSync(envExample) && !fs.existsSync(envTarget)) {
-  // Blank placeholder values (e.g. `your-client-id-here`) so the copied .env
-  // still trips the app's missing-env-var check until real values are filled in.
+  // Blank placeholder values (e.g. `your-client-id-here`, the sample base URL)
+  // so the copied .env still trips the app's missing-env-var check until real
+  // values are filled in.
   const envContent = fs
     .readFileSync(envExample, 'utf8')
-    .replace(/^([A-Z0-9_]+)=(your-\S*|generate-with-\S*)$/gm, '$1=');
+    .replace(/^([A-Z0-9_]+)=(your-\S*|generate-with-\S*|https:\/\/localhost:8090)$/gm, '$1=');
   fs.writeFileSync(envTarget, envContent);
 }