diff --git a/cheat-sheets/Aruba-HP-switches-debug-and-diagnostics-commands-cheat-sheet.adoc b/cheat-sheets/Aruba-HP-switches-debug-and-diagnostics-commands-cheat-sheet.adoc
index 0d79bd2..3ae5062 100644
--- a/cheat-sheets/Aruba-HP-switches-debug-and-diagnostics-commands-cheat-sheet.adoc
+++ b/cheat-sheets/Aruba-HP-switches-debug-and-diagnostics-commands-cheat-sheet.adoc
@@ -4,6 +4,7 @@ Yuri SLobodyanyuk, admin@yurisk.info
 
 Author: Yuri Slobodyanyuk,  https://www.linkedin.com/in/yurislobodyanyuk/
 
+NOTE: All commands were tested on HP/Aruba 5400 switches.
 
 [cols=2,options="header"]
 |===