diff --git a/man7/man-pages.7 b/man7/man-pages.7
index c792889a3..525f77ccb 100644
--- a/man7/man-pages.7
+++ b/man7/man-pages.7
@@ -433,6 +433,12 @@ Miscellaneous notes.
 
 For Section 2 and 3 man pages you may find it useful to include
 subsections (\fBSS\fP) named \fILinux Notes\fP and \fIGlibc Notes\fP.
+
+In Section 2, use the heading
+.I "C library/kernel ABI differences"
+to mark off notes that describe the differences (if any) between
+the C library wrapper function for a system call and 
+the raw system call interface provided by the kernel.
 .TP
 .B BUGS
 A list of limitations, known defects or inconveniences,