diff --git a/man2/readahead.2 b/man2/readahead.2
index d9b3924a8..d501cef6c 100644
--- a/man2/readahead.2
+++ b/man2/readahead.2
@@ -75,15 +75,16 @@ is not a valid file descriptor or is not open for reading.
 does not refer to a file type to which
 .BR readahead ()
 can be applied.
+.SH VERSIONS
+The
+.BR readahead ()
+system call appeared in Linux 2.4.13;
+glibc support has been provided since version 2.3.
 .SH "CONFORMING TO"
 The
 .BR readahead ()
 system call is Linux specific, and its use should be avoided
 in portable applications.
-.SH NOTES
-The
-.BR readahead ()
-system call appeared in Linux 2.4.13.
 .SH "SEE ALSO"
 .BR fadvise (2),
 .BR lseek (2),