diff --git a/ios/Runner/IosNative.g.swift b/ios/Runner/IosNative.g.swift
index 3c2b653a80..3708376cc7 100644
--- a/ios/Runner/IosNative.g.swift
+++ b/ios/Runner/IosNative.g.swift
@@ -71,6 +71,9 @@ class IosNativePigeonCodec: FlutterStandardMessageCodec, @unchecked Sendable {
 protocol IosNativeHostApi {
   /// Sets UrlResourceValues.isExcludedFromBackup for the given file path.
   ///
+  /// The file at this path must already exist,
+  /// and be a regular file (not a directory).
+  ///
   /// See doc:
   ///   https://developer.apple.com/documentation/foundation/urlresourcevalues/isexcludedfrombackup
   ///   https://developer.apple.com/documentation/foundation/optimizing-your-app-s-data-for-icloud-backup
@@ -85,6 +88,9 @@ class IosNativeHostApiSetup {
     let channelSuffix = messageChannelSuffix.count > 0 ? ".\(messageChannelSuffix)" : ""
     /// Sets UrlResourceValues.isExcludedFromBackup for the given file path.
     ///
+    /// The file at this path must already exist,
+    /// and be a regular file (not a directory).
+    ///
     /// See doc:
     ///   https://developer.apple.com/documentation/foundation/urlresourcevalues/isexcludedfrombackup
     ///   https://developer.apple.com/documentation/foundation/optimizing-your-app-s-data-for-icloud-backup
diff --git a/lib/host/ios_native.g.dart b/lib/host/ios_native.g.dart
index 82e97f6b17..72aa970f62 100644
--- a/lib/host/ios_native.g.dart
+++ b/lib/host/ios_native.g.dart
@@ -52,6 +52,9 @@ class IosNativeHostApi {
 
   /// Sets UrlResourceValues.isExcludedFromBackup for the given file path.
   ///
+  /// The file at this path must already exist,
+  /// and be a regular file (not a directory).
+  ///
   /// See doc:
   ///   https://developer.apple.com/documentation/foundation/urlresourcevalues/isexcludedfrombackup
   ///   https://developer.apple.com/documentation/foundation/optimizing-your-app-s-data-for-icloud-backup