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

Co-authored-by: Björn I. <bjorni.svindseth@yahoo.com>

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: 2020-07-24 11:29+0000\n"
-"PO-Revision-Date: 2020-07-27 16:44+0000\n"
+"PO-Revision-Date: 2020-07-27 16:45+0000\n"
 "Last-Translator: Björn I. <bjorni.svindseth@yahoo.com>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
 "Language: nn_NO\n"
@@ -4255,7 +4255,7 @@ msgstr "Enkel lesing {start_sub_heading}med {addon_name}{end_sub_heading}"
 
 #. editorial content for the discovery pane.
 msgid "Check your favorite RSS feeds all in a single page."
-msgstr "Sjekk favoritt RSS-kjeldene dine på ei enkelt side."
+msgstr "Sjekk favoritt RSS-kjeldene dine på ei enkeltside."
 
 #. editorial content for the discovery pane.
 msgid "Reduce eye strain {start_sub_heading}with {addon_name}{end_sub_heading}"
@@ -4264,7 +4264,7 @@ msgstr "Reduser belastninga på augene {start_sub_heading}med {addon_name}{end_s
 #. editorial content for the discovery pane.
 #. editorial content for the primary hero shelves.
 msgid "Enable night mode for a better viewing experience."
-msgstr ""
+msgstr "Slå på nattmodus for e betre visingsoppleving."
 
 #. editorial content for the discovery pane.
 msgid "Search images {start_sub_heading}with {addon_name}{end_sub_heading}"