Bug#653750: When reading, it a applies a timeout

[Regid Ichira]

Package: exim4-base
Version: 4.80-3

--- a/spec.txt   2012-06-30 16:55:30.633325335 +0300
+++ b/spec.txt    2012-06-30 16:50:00.000000000 +0300
@@ -18455,7 +18455,7 @@ message, which happens if the return_mes
 |transport_filter_timeout|Use: transports|Type: time|Default: 5m|
 +------------------------+---------------+----------+-----------+

-When Exim is reading the output of a transport filter, it a applies a timeout
+When Exim is reading the output of a transport filter, it applies a timeout
 that can be set by this option. Exceeding the timeout is normally treated as a
 temporary delivery failure. However, if a transport filter is used with a pipe
 transport, a timeout in the transport filter is treated in the same way as a