New file-level descriptions for some WW1 records at LAC?

The following notices from LAC came into my RSS feed dated Mon, Oct 5 2009 4:37 PM.
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- New Lower-Level Descriptive Records: 10th Canadian Reserve Battalion (1916-1919)

New file-level descriptions have been created for records created and/or maintained by the 10th Canadian Reserve Battalion (1916-1919), a unit of the Canadian Expeditionary Force (C.E.F.). The records document many aspects of the unit's activities. These descriptions are an electronic version of finding aid 9-74.

- New Lower-Level Descriptive Records: Witley Camp

New file-level descriptions have been created for the records of Witley Camp, dating from 1915-1919 (finding aid 9-73). Witley was a camp in Surrey, England that served as a base for the 5th Division of the C.E.F. and a training facility for infantry during the First World War. At the end of the war troops were assembled at Witley prior to their return to Canada and demobilization. These records document many aspects of the activities of the camp.
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First World War records constitute some of the most frequently requested at LAC so it's not too surprising that these should be chosen.

For two days the clickable headlines on the items lead only to the message

Not Found

Now they lead to pages with links to 22 and 53 lower-level descriptions, too brief to be very helpful.