diff --git a/src/header/fnmatch/cbindgen.toml b/src/header/fnmatch/cbindgen.toml
index c5cb5babab..f28cb9123e 100644
--- a/src/header/fnmatch/cbindgen.toml
+++ b/src/header/fnmatch/cbindgen.toml
@@ -1,3 +1,6 @@
+# POSIX header spec: https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/fnmatch.h.html
+#
+# There are no spec quotations relating to includes
 include_guard = "_RELIBC_FNMATCH_H"
 language = "C"
 style = "Tag"