diff --git a/src/header/net_if/cbindgen.toml b/src/header/net_if/cbindgen.toml
index af56fa8a4e..a434e2f0dc 100644
--- a/src/header/net_if/cbindgen.toml
+++ b/src/header/net_if/cbindgen.toml
@@ -1,3 +1,6 @@
+# POSIX header spec: https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/net_if.h.html
+#
+# There are no spec quotations relating to includes
 sys_includes = []
 include_guard = "_NET_IF_H"
 language = "C"