How to change the name in apps selection menu

I installed my owncloud, and instead of my calendar, caledar. How to fix it?
Please indicate the path to the file to correct the error. see screenshot.

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In case you modify the translated text directly in your installation, you’ll end up in integrity check failure. I guess so.

i have v 7 owncloud!!!

Hmmm, v7 is from 2014! I think nobody can support this nowadays. Sorry.