diff --git a/Concurrency.md b/Concurrency.md
index fbbfa66..7af0242 100644
--- a/Concurrency.md
+++ b/Concurrency.md
@@ -182,8 +182,8 @@ Hence, the following may occur:
 
 1. *Task AB* executes `bank.write_account(source)` and updates *Account A* with *-$10*
 2. Before updating *Account B*, *Task AB* sends two messages and during that time, the event loop continues *Task BA*
-3 *Task BA* executes `bank.write_account(source)` and updates *Account B* with *-$100*
-3. Before updating *Account A*, *Task BA* sends two messages and during that time, the event loop continues *Task AB*
+3. *Task BA* executes `bank.write_account(source)` and updates *Account B* with *-$100*
+4. Before updating *Account A*, *Task BA* sends two messages and during that time, the event loop continues *Task AB*
 5. *Task AB* executes `bank.write_account(target)` and updates *Account B* with *+$100*
 6. When *Task BA* is resumed again, it executes `bank.write_account(target)` and updates *Account A* with *+$10*