diff --git a/Concurrent Systems/notes/8 - Enhancing Liveness Properties.md b/Concurrent Systems/notes/8 - Enhancing Liveness Properties.md
index 4e59d5b..d13cbb3 100644
--- a/Concurrent Systems/notes/8 - Enhancing Liveness Properties.md	
+++ b/Concurrent Systems/notes/8 - Enhancing Liveness Properties.md	
@@ -15,7 +15,7 @@ Can we take the most basic protocol that satisfies the most basic liveness prope
 1. *(Validity)* `ev_leader(x)` always contains a process ID
 2. *(Eventual leadership)* eventually, all `ev_leader(X)` of all non-crashed processes of X for ever contain the same process ID, that is one of them
 
-REMARK: the moment in which all variables contain the same leader is unknown
+REMARK: the moment in which all variables contain the same leader is unknown.
 
 ### From obstruction-freedom to non-blocking
 ```
@@ -25,7 +25,7 @@ need_help(i) :=
 	NEED_HELP[i] <- true
 	repeat
 		X <- {j : NEED_HELP[j]}
-	until ev_leader(X) = i
+	until ev_leader(X) = i # loopa finché ev_leader non uguale per tutti
 
 stop_help(i) :=
 	NEED_HELP[i] <- false