Fix description for popTo

Author: satya164

versioned_docs/version-7.x/stack-actions.md

@@ -528,15 +528,13 @@ export default function App() {
 
 The `popTo` action takes you back to a previous screen in the stack by the name. It also allows you to pass params to the route.
 
-If a matching screen is not found in the stack, this will pop the current screen and add a new screen with the specified name and params. This behavior is useful when the screen was opened from a deep link etc. and a previous screen with the name may or may not already be in the stack.
+If a matching screen is not found in the stack, this will pop the current screen and add a new screen with the specified name and params - essentially behaving like a [`replace`](#replace). This ensures that the app doesn't break if a previous screen with the name did not exist - which can happen when the screen was opened from a deep link or push notification, or when used on the web etc.
 
 The method accepts the following arguments:
 
 - `name` - _string_ - Name of the route to navigate to.
 - `params` - _object_ - Screen params to pass to the destination route.
 
-If a matching screen is not found in the stack, this will pop the current screen and add a new screen with the specified name and params. This behavior is useful when the screen was opened from a deep link and a previous screen with the name may or may not already be in the stack.
-
 ```js
 import { StackActions } from '@react-navigation/native';