Pontoon/AMO Frontend: Update Interlingua (ia)

Co-authored-by: Melo46 <melo@carmu.com> (ia)

Author: mozilla-pontoon

locale/ia/LC_MESSAGES/amo.po

@@ -2771,7 +2771,7 @@ msgstr ""
 
 #: src/amo/pages/LandingPage/index.js:232
 msgid "Change your browser's appearance. Choose from thousands of themes to give Firefox the look you want."
-msgstr "Cambiar apparentia a tu navigator. Elige ex milles de themas pro dar a Firefox le apparentia que tu desira."
+msgstr "Cambia apparentia a tu navigator. Elige ex milles de themas pro dar a Firefox le apparentia que tu desira."
 
 #: src/amo/pages/LandingPage/index.js:234
 msgid "Explore powerful tools and features to customize Firefox and make the browser all your own."