1 files changed, 2 insertions, 0 deletions

diff --git a/os-posix.c b/os-posix.c
index 5b67836..0d00882 100644
--- a/os-posix.c
+++ b/os-posix.c
@@ -1,3 +1,5 @@
+// POSIX implementation of OS functions
+
 #include "os.h"
 #include "util.h"
 #include <sys/types.h>