diff --git a/system-events.md b/system-events.md
index eb9cf9f..0da5ba8 100644
--- a/system-events.md
+++ b/system-events.md
@@ -1,7 +1,16 @@
 # Zdarzenia Systemowe
 
 ## Use case 1
+<ul>
+<li></li>
+</ul>
 
 ## Use case 5
+<ul>
+<li></li>
+</ul>
 
 ## Use case 6
+<ul>
+<li></li>
+</ul>