diff --git a/locales/en/app.json b/locales/en/app.json
index d6c72885..893bbc3e 100644
--- a/locales/en/app.json
+++ b/locales/en/app.json
@@ -159,7 +159,7 @@
     "feedback_tab_title": "Feedback",
     "opt_in_description": "<0></0><1></1>You may withdraw consent by unchecking this box. If you are currently in a call, this setting will take effect at the end of the call.",
     "preferences_tab": {
-      "developer_mode_label": "Developer Mode",
+      "developer_mode_label": "Developer mode",
       "developer_mode_label_description": "Enable developer mode and show developer settings tab.",
       "reactions_play_sound_description": "Play a sound effect when anyone sends a reaction into a call.",
       "reactions_play_sound_label": "Play reaction sounds",