diff --git a/LICENSE.txt b/LICENSE.txt
index d1c7b60..a897f27 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -21,3 +21,4 @@ Includes swift-tap
   https://github.com/dankogai/swift-tap
 Copyright (c) 2016 Dan Kogai
 Released under the MIT License.
+- See "Sources/Test/TAP.swift"
diff --git a/Sources/Test/TAP.swift b/Sources/Test/TAP.swift
index de01e92..ae7173d 100644
--- a/Sources/Test/TAP.swift
+++ b/Sources/Test/TAP.swift
@@ -1,3 +1,5 @@
+// https://github.com/dankogai/swift-tap/blob/master/tap/tap.swift
+
 //
 //  tap.swift
 //  tap
@@ -67,8 +69,8 @@ open class TAP {
   @discardableResult
   open func eq<T:Equatable>(_ actual:T?, _ expected:T?, _ message:String = "")->Bool {
     if ok(actual == expected, message) { return true }
-    print("#       got: \(actual)")
-    print("#  expected: \(expected)")
+    print("#       got: \(actual as T?)")
+    print("#  expected: \(expected as T?)")
     return false
   }
   /// ok if arrays are `actual` == `expected`
@@ -99,8 +101,8 @@ open class TAP {
   @discardableResult
   open func ne<T:Equatable>(_ actual:T?, _ expected:T?, _ message:String = "")->Bool {
     if ok(actual != expected, message) { return true }
-    print("#       got: \(actual)")
-    print("#  expected: anthing but \(expected)")
+    print("#       got: \(actual as T?)")
+    print("#  expected: anthing but \(expected as T?)")
     return false
   }
   /// ok if arrays are `actual` == `expected`