diff --git a/uppsrc/Core/config.h b/uppsrc/Core/config.h
index 32b82f673..22ac40c79 100644
--- a/uppsrc/Core/config.h
+++ b/uppsrc/Core/config.h
@@ -149,5 +149,5 @@
 #endif
 
 #ifndef CPP_11
-#error This version of U++ REQUIREDS C++11
+#error This version of U++ REQUIRES C++11
 #endif