diff --git a/foo.h b/foo.h
index c42d22b..cebb671 100644
--- a/foo.h
+++ b/foo.h
@@ -1,6 +1,7 @@
 #ifndef FOO_H
 #define FOO_H
 
+// Some function just for the sake of an existing function
 void foo(void);
 
 #endif