diff --git a/cs.json b/cs.json
index 09f51e4ed826c8c46a0db9b0a4d2b018fff30c3a..075c953d53da8d5917c341167283c910ed0bc135 100644
--- a/cs.json
+++ b/cs.json
@@ -155,12 +155,13 @@
                         "light": "Světlé",
                         "dark": "Tmavé"
                     },
+                    "advanced": "Pokročilá nastavení",
                     "message_display": "Zobrazení zpráv",
                     "overrides": "Přepsání motivu",
                     "import_clipboard": "Importovat ze schránky",
                     "export_clipboard": "Exportovat do schránky",
                     "import_manual": "Importovat ručně",
-                    "custom_css": "Pokročilé — Vlastní CSS",
+                    "custom_css": "Vlastní CSS",
                     "sync": "Synchronizovat"
                 },
                 "source_code": "Zdrojový kód",
diff --git a/en.json b/en.json
index 120069d31ba4563c906296e9272e02f2dbfa3159..6b1fa7c6630b8cc779499a09f465bd85f6fc5d58 100644
--- a/en.json
+++ b/en.json
@@ -129,6 +129,7 @@
                         "dark": "dark"
                     },
                     "message_display": "Message Display",
+                    "advanced": "Advanced Options",
                     "overrides": "Theme Overrides",
                     "reset_overrides": "Reset overrides",
                     "export_clipboard": "Export to clipboard",
@@ -136,7 +137,7 @@
                     "import_manual": "Import manually",
                     "import_theme": "Import theme from string",
                     "theme_data": "Theme Data",
-                    "custom_css": "Advanced — Custom CSS",
+                    "custom_css": "Custom CSS",
                     "sync": "Sync Options"
                 },
                 "notifications": {