Potentially Dangerous URL

I get a page with the message below, when a link,
generated by chora points to itself.
http://code.trini0.org/horde/chora/co.php/README.txt?rt=grains&r=13
(The subsection about browsing the repository)
Im using the latest versions of chora/horde.
Is this anything to worry about, and is it something that can be disabled?
Thanks

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Potentially Dangerous URL

A referring site, an email you were reading, or some other untrusted 
source has attempted to send you to 
http://code.trini0.org/horde/chora/browse.php?rt=grains. This may be an 
attempt to delete data or change settings without your knowledge. If you 
have any concerns about this URL, please contact your System 
Administrator. If you are confident that it is safe, you may follow the 
link by clicking below.
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