diff --git a/docs/lectures/osc/04_concurrency1.md b/docs/lectures/osc/04_concurrency1.md
index 0706adb..3473d7c 100644
--- a/docs/lectures/osc/04_concurrency1.md
+++ b/docs/lectures/osc/04_concurrency1.md
@@ -153,7 +153,7 @@ Deadlocks have to be prevented as well.
 
 #### Deadlock Example 
 
-A set of processes/threads is *deadlocked* if each process/thread in the set is waiting for an event that only the other process/thread in the set can cause
+A set of processes/threads is *deadlocked* if each process/thread in the set is waiting for an event that only the other process/thread in the set can cause.
 
 Each **deadlocked process/thread** is waiting for a resource held by another deadlocked process/thread (which cannot run and hence release the resource).