[Merge] lp:~azzar1/update-manager/fix-1714489 into lp:update-manager

[Andrea Azzarone]

The proposal to merge lp:~azzar1/update-manager/fix-1714489 into lp:update-manager has been updated.

Commit Message changed to:

Adjust the use of ngettext to fix lp bug 1714489.

For more details, see:
https://code.launchpad.net/~azzar1/update-manager/fix-1714489/+merge/330150
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Your team Ubuntu Core Development Team is requested to review the proposed merge of lp:~azzar1/update-manager/fix-1714489 into lp:update-manager.