diff --git a/apps/docs/packages/telegram-apps-sdk/2-x/components/mini-app.md b/apps/docs/packages/telegram-apps-sdk/2-x/components/mini-app.md
index e34aa7769..4bb3bf13e 100644
--- a/apps/docs/packages/telegram-apps-sdk/2-x/components/mini-app.md
+++ b/apps/docs/packages/telegram-apps-sdk/2-x/components/mini-app.md
@@ -159,7 +159,7 @@ if (miniApp.setBackgroundColor.isAvailable()) {
 ```
 
 ```ts [Functions]
-import { 
+import {
   setMiniAppBackgroundColor,
   miniAppBackgroundColor,
 } from '@telegram-apps/sdk';
@@ -172,6 +172,27 @@ if (setMiniAppBackgroundColor.isAvailable()) {
 
 :::
 
+## Active State
+
+The mini application becomes inactive if it is wrapped into the bottom native Telegram client tray
+or if the currently active tab of the mini apps browser is changed to another one.
+
+To track if the mini application is currently active, use the `isActive` signal.
+
+::: code-group
+
+```ts [Variable]
+miniApp.isActive();
+```
+
+```ts [Functions]
+import { isMiniAppActive } from '@telegram-apps/sdk';
+
+isMiniAppActive()
+```
+
+:::
+
 ## Methods
 
 ### `close`
diff --git a/apps/docs/packages/telegram-apps-sdk/2-x/components/viewport.md b/apps/docs/packages/telegram-apps-sdk/2-x/components/viewport.md
index 522cfc23e..d72a71013 100644
--- a/apps/docs/packages/telegram-apps-sdk/2-x/components/viewport.md
+++ b/apps/docs/packages/telegram-apps-sdk/2-x/components/viewport.md
@@ -110,25 +110,6 @@ if (bindViewportCssVars.isAvailable()) {
 
 :::
 
-## Visibility
-
-To track if mini app is visible, use `isVisible` signal.
-Invisible means app is collapsed or in another tab.
-
-::: code-group
-
-```ts [Variable]
-viewport.isVisible();
-```
-
-```ts [Functions]
-import { isVisible } from '@telegram-apps/sdk';
-
-isVisible()
-```
-
-:::
-
 ## Expanding
 
 To expand the viewport, use the `expand` method.