[Urgency:Low] Minor typo in doconce documentation

[Daniel-M]

At the end of the section Sphinx or reStructuredText Output of the online documentation, the command

sudo apt-get install unovonv libreoffice libreoffice-dmaths

should be replaced for

sudo apt-get install unoconv libreoffice libreoffice-dmaths

describing the packages to be installed for libreoffice/openoffice integration in Debian systems. (provided that unoconv is for converting between libreoffice formats)

Note: I've tried to make a pull request to change this at the source of the docs, but couldn't find the associated source .do.txt so i made this issue.

Thanks!

[hplgit]

Many thanks!