diff --git a/Concurrent Systems/notes/5 - Software Transactional Memory.md b/Concurrent Systems/notes/5 - Software Transactional Memory.md
index 49ac98c..5bf31f7 100644
--- a/Concurrent Systems/notes/5 - Software Transactional Memory.md	
+++ b/Concurrent Systems/notes/5 - Software Transactional Memory.md	
@@ -1,4 +1,4 @@
-- Group together parts of the code that must look like atomic, in a way that is transparent, scalable and easy-to-use for the programmer
+z- Group together parts of the code that must look like atomic, in a way that is transparent, scalable and easy-to-use for the programmer
 - Differently from monitors, the part of the code to group is not part of the definition of the objects, but is application dependent
 - Differently from transactions in databases, the code can be any code, not just queries on the DB