diff --git a/README.md b/README.md
index d60922e..88603a3 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 ## Example
 ### Include
 ```c++
-using AuString = std::string; // Applications in the Aurora ecosystem do not need this line
+#define AUE_OUT_OF_ECOSYSTEM // Applications in the Aurora ecosystem do not need this line
 #include <AuroraForEach.hpp>
 #include <AuroraEnum.hpp>
 ```