diff --git a/calendar/base/content/preferences/alarms.inc.xhtml b/calendar/base/content/preferences/alarms.inc.xhtml
index b15f38dbc8..18e3c61b75 100644
--- a/calendar/base/content/preferences/alarms.inc.xhtml
+++ b/calendar/base/content/preferences/alarms.inc.xhtml
@@ -7,10 +7,10 @@
+ data-l10n-id="reminder-play-checkbox"/>
+ data-l10n-id="reminder-default-sound-label"/>
+ data-l10n-id="reminder-custom-sound-label"/>
@@ -38,7 +38,7 @@
preference-editable="true"
aria-labelledby="alarmSoundCustom"/>
diff --git a/calendar/locales/en-US/calendar/preferences.ftl b/calendar/locales/en-US/calendar/preferences.ftl
index b50171dc60..89d2c528de 100644
--- a/calendar/locales/en-US/calendar/preferences.ftl
+++ b/calendar/locales/en-US/calendar/preferences.ftl
@@ -170,22 +170,26 @@ accessibility-colors-label =
reminder-legend = When a Reminder is Due:
-play-checkbox =
+reminder-play-checkbox =
.label = Play a sound
.accesskey = s
-play-alarm-button =
+reminder-play-alarm-button =
.label = Play
.accesskey = P
-default-sound-label =
+reminder-default-sound-label =
.label = Use default sound
.accesskey = d
-custom-sound-label =
+reminder-custom-sound-label =
.label = Use the following sound file
.accesskey = U
+reminder-browse-sound-label =
+ .label = Browse…
+ .accesskey = B
+
reminder-dialog-label =
.label = Show the reminder dialog
.accesskey = x
diff --git a/python/l10n/tb_fluent_migrations/bug_1615501_preferences_calendar.py b/python/l10n/tb_fluent_migrations/bug_1615501_preferences_calendar.py
index f28909358e..778819bb9a 100644
--- a/python/l10n/tb_fluent_migrations/bug_1615501_preferences_calendar.py
+++ b/python/l10n/tb_fluent_migrations/bug_1615501_preferences_calendar.py
@@ -220,22 +220,26 @@ task-due-label =
"""
reminder-legend = { COPY(from_path, "pref.alarmgoesoff.label") }
-play-checkbox =
+reminder-play-checkbox =
.label = { COPY(from_path, "pref.playasound") }
.accesskey = { COPY(from_path, "pref.calendar.alarms.playsound.accessKey") }
-play-alarm-button =
+reminder-play-alarm-button =
.label = { COPY(from_path, "pref.calendar.alarms.sound.play.label") }
.accesskey = { COPY(from_path, "pref.calendar.alarms.sound.play.accessKey") }
-default-sound-label =
+reminder-default-sound-label =
.label = { COPY(from_path, "pref.calendar.alarms.sound.useDefault.label") }
.accesskey = { COPY(from_path, "pref.calendar.alarms.sound.useDefault.accessKey") }
-custom-sound-label =
+reminder-custom-sound-label =
.label = { COPY(from_path, "pref.calendar.alarms.sound.useCustom.label") }
.accesskey = { COPY(from_path, "pref.calendar.alarms.sound.useCustom.accessKey") }
+reminder-browse-sound-label =
+ .label = { COPY(from_path, "pref.calendar.alarms.sound.browse.label") }
+ .accesskey = { COPY(from_path, "pref.calendar.alarms.sound.browse.accessKey") }
+
reminder-dialog-label =
.label = { COPY(from_path, "pref.showalarmbox") }
.accesskey = { COPY(from_path, "pref.calendar.alarms.showAlarmBox.accessKey") }