Update index.mdx

Author: vaind

docs/platforms/flutter/session-replay/index.mdx

@@ -64,10 +64,10 @@ Sampling starts as soon as a session begins. The <PlatformIdentifier name="repla
 ## Privacy
 
 The SDK is recording and aggressively redacting (masking) all `Text`, `EditableText`, and `Image` widgets.
-Masking in the Sentry Flutter SDK is based on Widget *types*, e.g. `Image`, not just their as strings (i.e. we check whether
+Masking in the Sentry Flutter SDK is based on Widget *types*, e.g. `Image`, not the string representation of the type (i.e. we check whether
 a `widgetInstance` should be masked by checking `if (widgetInstance is Image)` instead of `if (widgetInstance.runtimeType == 'Image')`).
-This means we can ensure masking works regardless of obfuscation in release builds and also works for subtclasses.
-However, it also means we can only mask widgets that are part of the Flutter SDK itself.
+This means we can ensure masking works regardless of obfuscation in release builds and also works for subclasses.
+However, it also means we can only automatically mask widgets that are part of the Flutter SDK itself.
 
 <Alert level="warning">
 We cannot mask widgets defined in various 3rd-party packages (because the type is not known in the Sentry Flutter SDK),