diff --git a/strings/cs.json b/strings/cs.json
index 2f6ce2db..43c41555 100644
--- a/strings/cs.json
+++ b/strings/cs.json
@@ -155,6 +155,9 @@
   "LabelFinished": "Dokončeno",
   "LabelFolder": "Složka",
   "LabelFontBoldness": "Výraznost písma",
+  "LabelFontFamily": "Rodina písem",
+  "LabelFontFamilySans": "Bezpatkové",
+  "LabelFontFamilySerif": "Patkové",
   "LabelFontScale": "Měřítko písma",
   "LabelGenre": "Žánr",
   "LabelGenres": "Žánry",