--- libev/ev.pod	2010/10/24 23:30:23	1.332
+++ libev/ev.pod	2010/10/25 09:31:47	1.333
@@ -4759,6 +4759,11 @@
 callback: The watcher callbacks have different type signatures, but libev
 calls them using an C<ev_watcher *> internally.
 
+=item pointer accesses must be thread-atomic
+
+Accessing a pointer value must be atomic, it must both be readable and
+writable in one piece - this is the case on all current architectures.
+
 =item C<sig_atomic_t volatile> must be thread-atomic as well
 
 The type C<sig_atomic_t volatile> (or whatever is defined as
@@ -5006,5 +5011,6 @@
 
 =head1 AUTHOR
 
-Marc Lehmann <libev@schmorp.de>, with repeated corrections by Mikael Magnusson.
+Marc Lehmann <libev@schmorp.de>, with repeated corrections by Mikael
+Magnusson and Emanuele Giaquinta.