diff --git a/framework.mk b/fsfw.mk
similarity index 97%
rename from framework.mk
rename to fsfw.mk
index 136eff3ac..c2c6e7475 100644
--- a/framework.mk
+++ b/fsfw.mk
@@ -1,3 +1,4 @@
+# This submake file needs to be included by the primary Makefile.
 # This file needs FRAMEWORK_PATH and OS_FSFW set correctly by another Makefile.
 # Valid API settings: rtems, linux, freeRTOS, host