Another round of documentation.
Bug: N/A
Test: N/A
Change-Id: I1b818fbb36ddd6d084dee56828290c2717a0c9b0
diff --git a/libc/include/bits/sa_family_t.h b/libc/include/bits/sa_family_t.h
index 98ca27f..df8b695 100644
--- a/libc/include/bits/sa_family_t.h
+++ b/libc/include/bits/sa_family_t.h
@@ -26,11 +26,14 @@
* SUCH DAMAGE.
*/
-#ifndef _BITS_SA_FAMILY_T_H_
-#define _BITS_SA_FAMILY_T_H_
+#pragma once
+
+/**
+ * @file bits/sa_family_t.h
+ * @brief The `sa_family_t` type.
+ */
#include <sys/cdefs.h>
+/** The type of fields like `sa_family`. */
typedef unsigned short sa_family_t;
-
-#endif