diff --git a/swap/test/swap_arrays.cpp b/swap/test/swap_arrays.cpp
index 154ae30..79c6d68 100644
--- a/swap/test/swap_arrays.cpp
+++ b/swap/test/swap_arrays.cpp
@@ -14,7 +14,7 @@
 //Provide swap function in both the namespace of swap_test_class
 //(which is the global namespace), and the std namespace.
 //It's common to provide a swap function for a class in both
-//namespaces. Scott Meyers recommends doing so: Effectice C++,
+//namespaces. Scott Meyers recommends doing so: Effective C++,
 //Third Edition, item 25, "Consider support for a non-throwing swap".
 void swap(swap_test_class& left, swap_test_class& right)
 {