perl5123delta: Improve description

‘lvalue sub return values are now COW’ is not very clear.
I know 5.12.3 is already released, but at least for posterity’s
sake it’s nice to make this more descriptive.

diff --git a/pod/perl5123delta.pod b/pod/perl5123delta.pod
index 20d38bb..0b49f3e 100644 (file)
--- a/pod/perl5123delta.pod
+++ b/pod/perl5123delta.pod
@@ -34,7 +34,8 @@ constant expressions.
 
 Module::Build should be more reliably pass its tests under cygwin.
 
-lvalue sub return values are now COW.
+Lvalue subroutines are again able to return copy-on-write scalars.  This
+had been broken since version 5.10.0.
 
 =head1 Platform Specific Notes