diff --git a/Source/include/croutine.h b/Source/include/croutine.h
index 1e9c46de7..f6c16a0a3 100644
--- a/Source/include/croutine.h
+++ b/Source/include/croutine.h
@@ -52,7 +52,7 @@
 */
 
 #ifndef INC_FREERTOS_H
-	#error "#include FreeRTOS.h" must appear in source files before "#include croutine.h"
+	#error "include FreeRTOS.h must appear in source files before include croutine.h"
 #endif