Improve comment.

modules/users/users/user.cpp

@@ -195,9 +195,9 @@ void User::from_dict(const Dictionary &dict) {
 }
 
 Dictionary User::_to_dict() {
-	// RW Locks are not re-entrant (read_locking would likely work), but since concurrency is hard
+	// RW Lock writes are not re-entrant (read locking would work), but since concurrency is hard
 	// api consistency is important. These types of classes hould always be locked from the outside.
-	// Use read_lock() in the caller and do all read operations that you want.
+	// Use read_lock() in the caller and then do all read operations that you want.
 	
 	Dictionary dict;