Bug#653750: Is a `the' missing in `Some of conditions listed'?

[Regid Ichira]

--- a/spec.txt  2012-03-06 01:57:16.818428139 +0200
+++ b/spec.txt  2012-03-06 01:56:47.000000000 +0200
@@ -24885,7 +24885,7 @@ in a router or transport.
 40.24 ACL conditions
 --------------------

-Some of conditions listed in this section are available only when Exim is
+Some of the conditions listed in this section are available only when Exim is
 compiled with the content-scanning extension. They are included here briefly
 for completeness. More detailed descriptions can be found in the discussion on
 content scanning in chapter 41.