diff --git a/Concurrent Systems/notes/4b - Monitors.md b/Concurrent Systems/notes/4b - Monitors.md
index 4a96ae4..8e03315 100644
--- a/Concurrent Systems/notes/4b - Monitors.md	
+++ b/Concurrent Systems/notes/4b - Monitors.md	
@@ -1,6 +1,7 @@
 Semaphores are hard to use in practice because quite low level Monitors provide an easier definition of concurrent objects at the level of Prog. Lang.
 
-It guarantees mutual exclusion.
+>[!note] MUTEX
+>Every operation in a monitor is done with mutual exc
 
 Inter-process synchronization is done through *conditions*, which are objects that provide the following operations:
 - ***wait*:** the invoking process suspends, enters into the condition's queue, and releases the mutex on the monitor