[Tails-l10n] [pull] minor changes

Hi,

Please merge from
my repo : git://repo.or.cz/tails/matsa.git
in state : 1adf60c20effe8e55d05964f403c91d6dedd0894

I included the modifications made by mercedes and add some minor
changes:

[doc] Fix link
commit f61ecb8320fd56c153bb8de9198bc4eb6b2e18ac

[doc] Reformat, cleanup
commit 4765cfa2680e056f7ecd94ab267ac8be1bd1a2e8

[doc][fr] Fixing translation
commit 11a028545da29d2cfd0aecfe6eaf5c45953b8d46

Thanks!