diff --git a/Concurrent Systems/notes/3.md b/Concurrent Systems/notes/3.md
index 948e56c..2ed1b0c 100644
--- a/Concurrent Systems/notes/3.md	
+++ b/Concurrent Systems/notes/3.md	
@@ -144,3 +144,4 @@ unlock(i) :=
 ```
 Se il ticket number è minore si ottiene l'accesso, se il ticket number è uguale, allora si vede il process ID minore.
 
+It is possible that while reading, other processes are writing their turn! So it's possible that I read something unpredictable!
\ No newline at end of file