Some parameters cause English to appear in localised strings

[gerhard (Gerhard Schlager)]

Thanks for reporting those issues. I fixed both of them:

• https://github.com/discourse/discourse/commit/66901f67f650bb2b6fd97511cdecf30733f47ee8
• https://github.com/discourse/discourse/commit/964e7edcafbd30e6e69b7285e7bce54f4552b78f