Add missing Finnish translation string

ihalaij1 · ihalaij1 · commit 0fc5ed9f5cda · 2026-04-10T10:49:10.000+03:00
diff --git a/locale/fi/LC_MESSAGES/django.po b/locale/fi/LC_MESSAGES/django.po
@@ -1183,7 +1183,7 @@ msgstr "Kursseja ei löytynyt."
 
 #: course/templates/course/course.html
 msgid "LEFT_OFF_REMINDER"
-msgstr ""
+msgstr "Jatka siitä, mihin jäit"
 
 #: course/templates/course/course_base.html
 msgid "EXPAND_SIDEBAR"
