diff --git a/Usage-cautions.md b/Usage-cautions.md
index 418b532..16d0540 100644
--- a/Usage-cautions.md
+++ b/Usage-cautions.md
@@ -1,4 +1,4 @@
-The LNA of HackRF is sensitive and can get damaged
+⚠️ The LNA of HackRF is sensitive and can get damaged! ⚠️
 
 # Prevention
 ## SMA port
@@ -9,7 +9,7 @@ The LNA of HackRF is sensitive and can get damaged
 - You shouldn't receive near high power transmitters, even if it's not in the range that you are monitoring.
 
 # Diagnostic
-- Try to listen local radio. Try it with AMP both on and off. 
+- Try to listen to local radio. Try it with AMP both ON and OFF. 
 - Try to capture and replay a non-rolling-code. Try it with AMP both on and off. 
 
 Check more details about [tx](https://github.com/portapack-mayhem/mayhem-firmware/wiki/preamplifier-ic-replacement#tx-problems) and [rx](https://github.com/portapack-mayhem/mayhem-firmware/wiki/preamplifier-ic-replacement#rx-problems) issues.