# Pastebin GTxrv0ub
diff --git a/doc/Type/Num.pod b/doc/Type/Num.pod
--- a/doc/Type/Num.pod
+++ b/doc/Type/Num.pod
@@ -10,4 +10,8 @@ A C<Num> object stores a floating-point
 platforms, it's an IEEE 754 64-bit floating point numbers, aka "double
 precision".

+=head1 NaN
+
+Not a Number is a special Num.
+
 =end pod