diff --git a/Sources/ErrorKit/Catching.swift b/Sources/ErrorKit/Catching.swift
index 9290d11..443a8b5 100644
--- a/Sources/ErrorKit/Catching.swift
+++ b/Sources/ErrorKit/Catching.swift
@@ -178,7 +178,7 @@ extension Catching {
    /// - Returns: The value returned by the operation if successful.
    /// - Throws: An instance of `Self` with the original error wrapped in the `caught` case.
    public static func `catch`<ReturnType>(
-      _ operation: () async throws -> ReturnType
+      _ operation: @Sendable () async throws -> ReturnType
    ) async throws(Self) -> ReturnType {
       do {
          return try await operation()
diff --git a/Sources/ErrorKit/ErrorKit.swift b/Sources/ErrorKit/ErrorKit.swift
index 277cfcb..1c14ba8 100644
--- a/Sources/ErrorKit/ErrorKit.swift
+++ b/Sources/ErrorKit/ErrorKit.swift
@@ -148,10 +148,12 @@ public enum ErrorKit {
    /// 2. Shows the underlying cause (DatabaseError.connectionFailed)
    /// 3. Provides the user-friendly message for context (users will report this)
    ///
-   /// - Parameter error: The error to describe, potentially containing nested errors
+   /// - Parameters:
+   ///    - error: The error to describe, potentially containing nested errors
+   ///    - indent: The initial indent string (normally "")
    /// - Returns: A formatted string showing the complete error hierarchy with indentation
-   public static func errorChainDescription(for error: Error) -> String {
-      return Self.chainDescription(for: error, indent: "", enclosingType: type(of: error))
+   public static func errorChainDescription(for error: Error, indent: String = "") -> String {
+      return Self.chainDescription(for: error, indent: indent, enclosingType: type(of: error))
    }
 
    private static func chainDescription(for error: Error, indent: String, enclosingType: Any.Type?) -> String {