diff --git a/locale/_base/translations.suml b/locale/_base/translations.suml
index 3ed5e89b0..66dcf8a1d 100644
--- a/locale/_base/translations.suml
+++ b/locale/_base/translations.suml
@@ -993,7 +993,7 @@ calendar:
         trans_depathologization: 'International Day of Action for Trans Depathologization'
         lgbti_book_day: 'International LGBTI Book Day'
         human_rights_day: 'Human Rights Day'
-        nonbinary_parents_day: 'Nonbinary Parents Day'
+        nonbinary_parents_day: 'Nonbinary Parents'' Day'
         trans_prisoner: 'Transgender Prisoner Day of Action and Solidarity'
         xenogender_day: 'Xenogender Visibility Day'
         genderqueer_day: 'Genderqueer Visibility Day'