Pontoon: Update Norwegian Nynorsk (nn-NO) localization of AMO

Localization authors:
- Bjørn I. <bjorn.svindseth@online.no>

locale/nn-NO/LC_MESSAGES/django.po

@@ -5,7 +5,7 @@ msgstr ""
 "Project-Id-Version: PROJECT 1.0\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
 "POT-Creation-Date: 2018-03-01 18:15+0000\n"
-"PO-Revision-Date: 2018-04-03 12:48+0000\n"
+"PO-Revision-Date: 2018-04-04 12:48+0000\n"
 "Last-Translator: Bjørn I. <bjorn.svindseth@online.no>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
 "Language: nn_NO\n"
@@ -766,7 +766,7 @@ msgid ""
 msgstr ""
 
 msgid "Oops"
-msgstr "Ojsann"
+msgstr "Ops"
 
 #, python-format
 msgid "<h1>Oops!  We had an error.</h1> <p>We'll get to fixing that soon.</p> <p> You can try refreshing the page, or head back to the <a href=\"%(home)s\">Add-ons homepage</a>. </p>"