diff --git a/Support-for-Deepsleep-and-Wake-Up-PIN.md b/Support-for-Deepsleep-and-Wake-Up-PIN.md
index 9b4977e4..a1805b05 100644
--- a/Support-for-Deepsleep-and-Wake-Up-PIN.md
+++ b/Support-for-Deepsleep-and-Wake-Up-PIN.md
@@ -1,6 +1,8 @@
 Deep sleep support for up to 1 day (i.e., 86,400 seconds) ([`DeepSleepTime`](Commands#deepsleeptime)).
 
-This feature is disabled by default. To enable, you have to compile your own firmware. Add the following compiler directives to `user_config_override.h`:  
+:warning: **This feature is disabled by default. To enable it, you have to compile your own firmware.** :warning:
+
+Add the following compiler directives to `user_config_override.h`:  
 ```
 #ifndef USE_DEEPSLEEP
 #define USE_DEEPSLEEP   # adds +1k flash size