diff --git a/runtime/src/libc/syscall.c b/runtime/src/libc/syscall.c
index c2090a0..6310e23 100644
--- a/runtime/src/libc/syscall.c
+++ b/runtime/src/libc/syscall.c
@@ -1,5 +1,11 @@
 #ifndef USE_HTTP_UVIO
 
+/*
+ * This code originally came from the aWsm compiler
+ * It has since been updated
+ * https://github.com/gwsystems/aWsm/blob/master/runtime/libc/libc_backing.c
+ */
+
 #include <current_sandbox.h>
 #include <sys/types.h>
 #include <sys/socket.h>