diff --git a/Concurrent Systems/notes/5 - Software Transactional Memory.md b/Concurrent Systems/notes/5 - Software Transactional Memory.md
index 6fd8f81..49ac98c 100644
--- a/Concurrent Systems/notes/5 - Software Transactional Memory.md	
+++ b/Concurrent Systems/notes/5 - Software Transactional Memory.md	
@@ -83,7 +83,11 @@ try_to_commit_T() :=
 		if XX.date >= birthdate(T) then
 			release all locks
 			ABORT
-	
+		tmp <- CLOCK.fetch&add(1)+1
+		∀ X ∈ write_set(T)
+			XX <- ⟨lc(XX).val, tmp⟩
+		release all locks
+		COMMIT
 ```
 
 ### Virtual World Consistency