Fixed typo: amalga*ma*te. Replaced macro JSON_IS_AMALGATED with JSON_IS_AMALGAMATION
diff --git a/include/json/value.h b/include/json/value.h
index c9c7e1d..32e3455 100644
--- a/include/json/value.h
+++ b/include/json/value.h
@@ -6,9 +6,9 @@
 #ifndef CPPTL_JSON_H_INCLUDED
 # define CPPTL_JSON_H_INCLUDED
 
-#if !defined(JSON_IS_AMALGATED)
+#if !defined(JSON_IS_AMALGAMATION)
 # include "forwards.h"
-#endif // if !defined(JSON_IS_AMALGATED)
+#endif // if !defined(JSON_IS_AMALGAMATION)
 # include <string>
 # include <vector>