diff --git a/system-events.md b/system-events.md
index 0da5ba8..8515279 100644
--- a/system-events.md
+++ b/system-events.md
@@ -1,16 +1,16 @@
 # Zdarzenia Systemowe
 
 ## Use case 1
-<ul>
+<ol>
 <li></li>
-</ul>
+</ol>
 
 ## Use case 5
-<ul>
+<ol>
 <li></li>
-</ul>
+</ol>
 
 ## Use case 6
-<ul>
+<ol>
 <li></li>
-</ul>
+</ol>