Good catch, thanks. I've committed a fix to master and the 0.2 branch, and released version 0.2.6 with the fix included (and no other changes from 0.2.5).

commit 094a7106f4a592ce60fadb9e4214c1f1d5497f53
Author: Philip Withnall <philip@tecnocode.co.uk>
Date:   Sun Jan 30 13:52:32 2011 +0000

    Bug 640905 — Please update COPYING-DOCS
    
    Update COPYING-DOCS to refer to the CC license now used for the documentation,
    rather than the GFDL as was previously used. Closes: bgo#640905

 COPYING-DOCS |  429 ++++++---------------------------------------------------
 1 files changed, 46 insertions(+), 383 deletions(-)