Documentation: Fix up the surjective line

This makes #389 obsolete.

doc/source/complex-plugin.rst

@@ -182,8 +182,8 @@ of data.  Each chunk contains the following information, in order:
 
 An example (and the most common layer encountered in memory forensics) would be an Intel layer, which models the intel
 page mapping system.  Based on a series of tables stored within the layer itself, an intel layer can convert a virtual
-address to a physical address.  It should be noted that intel layers are surjective in that a single virtual address can
-map to multiple physical addresses, but a single virtual address can only ever map to a single physical address.
+address to a physical address.  It should be noted that intel layers allow multiple virtual addresses to map to the
+same physical address (but a single virtual address cannot ever map to more than one physical address).
 
 As a simple example, in a virtual layer which looks like `abracadabra` but maps to a physical layer that looks
 like `abcdr`, requesting `mapping(5, 4)` would return: