diff --git a/DeviceSettings/res/values/strings.xml b/DeviceSettings/res/values/strings.xml
index 78528107..b53f7470 100644
--- a/DeviceSettings/res/values/strings.xml
+++ b/DeviceSettings/res/values/strings.xml
@@ -61,7 +61,7 @@
     <!-- Clear Speaker -->
     <string name="clear_speaker_title">Clear speaker</string>
     <string name="clear_speaker_summary">Play a 30-second audio to clear the speaker</string>
-    <string name="clear_speaker_description">Run this feature once or twice if you find that your speaker is lightly blocked by dust. Set media volume to maximum.\n\nIf the speaker is blocked heavily, run this feature 2-5 times while shaking your device with the speaker facing downwards.</string>
+    <string name="clear_speaker_description">Run this feature once or twice if you find that your speaker is lightly blocked by dust. Set media volume to maximum.\n\nIf the speaker is blocked heavily, run this feature 2-5 times while shaking your device with the speaker facing downwards.\n\nWARNING: Ensure that any headphones are unplugged.</string>
 
     <string name="presets_dialog_title">Select Preset</string>
     <!-- Presets -->