diff --git a/man-pages/man3/rpc.3 b/man-pages/man3/rpc.3
index 0a1c263..65ac0fa 100644
--- a/man-pages/man3/rpc.3
+++ b/man-pages/man3/rpc.3
@@ -1211,6 +1211,13 @@ T{
 T}	Thread safety	MT-Safe
 .TE
 .ad
+.SH NOTES
+The
+.I <rpc/rpc.h>
+header is not included with glibc, but requires installing
+.I libtirpc-devel
+package. See also
+.BR rpc (3t).
 .SH SEE ALSO
 .\" We don't have an rpc_secure.3 page in the set at the moment -- MTK, 19 Sep 05
 .\" .BR rpc_secure (3),