Mass typo fix in YYYY/README.md files, rebuild www

'For addition information' should be 'For additional information'.

1984/README.md

@@ -20,7 +20,7 @@ post](https://groups.google.com/g/net.lang.c/c/lx-TAuEyeRI/m/HdOOnNx6LC0J).
 
 **IMPORTANT NOTE**: See [contact.html](../contact.html) for up to date contact details
 as well as details on how to provide fixes to any of the entries.
-See also [the IOCCC FAQ](../faq.html) for addition information on the IOCCC.
+See also [the IOCCC FAQ](../faq.html) for additional information on the IOCCC.
 
 
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