diff --git a/include/ege.h b/include/ege.h
index e96d5144..4d717fdd 100644
--- a/include/ege.h
+++ b/include/ege.h
@@ -29,7 +29,7 @@
 #define EGE_VERSION_NUMBER    EGE_MAKE_VERSION_NUMBER(EGE_VERSION_MAJOR, EGE_VERSION_MINOR, EGE_VERSION_PATCH)
 
 #ifndef __cplusplus
-#error You must use C++ compiler, or you need filename with '.cpp' suffix
+#error You must use a C++ compiler and ensure that your source files is named with the '.cpp' suffix.
 #endif
 
 #if defined(_INC_CONIO) || defined(_CONIO_H_)
diff --git a/include/graphics.h b/include/graphics.h
index 559c2efa..43798a3c 100644
--- a/include/graphics.h
+++ b/include/graphics.h
@@ -16,7 +16,7 @@
 #define EGE_GRAPHICS_H
 
 #ifndef __cplusplus
-#error You must use C++ compiler, or you need filename with '.cpp' suffix
+#error You must use a C++ compiler and ensure that your source files is named with the '.cpp' suffix.
 #endif
 
 #include "ege.h"