diff --git a/content/notes/25-advanced-topics.md b/content/notes/25-advanced-topics.md
index 67e94cb69..d17ca2c13 100644
--- a/content/notes/25-advanced-topics.md
+++ b/content/notes/25-advanced-topics.md
@@ -66,4 +66,4 @@ logically centralized control plane
 - open implementation of control plane
 
 
-  
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+   
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