update nomicon

diff --git a/src/doc/nomicon b/src/doc/nomicon
index 13e3745ca399118df05e8261e12e3ada6e616b48..66ef7373409d1979c2839db8886ac2ec9b6a58cd 160000 (submodule)
--- a/src/doc/nomicon
+++ b/src/doc/nomicon
@@ -1 +1 @@
-Subproject commit 13e3745ca399118df05e8261e12e3ada6e616b48
+Subproject commit 66ef7373409d1979c2839db8886ac2ec9b6a58cd