diff --git a/os/notes/04-memory-management.md b/os/notes/04-memory-management.md
index c6e6dae..23151ac 100644
--- a/os/notes/04-memory-management.md
+++ b/os/notes/04-memory-management.md
@@ -186,7 +186,8 @@ The page replacement algorithms in which Belady’s Anomaly occurs the most incl
 * First In First Out (FIFO)
 * Second Chance Algorithm
 * Random Page Replacement Algorithm
-
+ 
+ **dcbadcedcbae**
 ![Belady's Anomaly Example](https://prepinsta.com/wp-content/uploads/2021/02/Example-3-of-belady.webp)
 
-![Belady's Anomaly Example 2](https://prepinsta.com/wp-content/uploads/2021/02/example-4-frames-1.webp)
\ No newline at end of file
+![Belady's Anomaly Example 2](https://prepinsta.com/wp-content/uploads/2021/02/example-4-frames-1.webp)