diff --git a/doc/paging.9 b/doc/paging.9
index 0124421..808dc74 100644
--- a/doc/paging.9
+++ b/doc/paging.9
@@ -31,4 +31,4 @@
 writable in user mode, as well as flags set by the CPU: such as if the
 page has been accessed or modified.
 .SH SEE ALSO
-src/paging.c, src/paging.h
+src/paging.c, src/paging.h, Intel manual volume 4, Figure 4-4.