diff --git a/pages/second brain.md b/pages/second brain.md
index 8d17245..c312681 100644
--- a/pages/second brain.md	
+++ b/pages/second brain.md	
@@ -2,11 +2,11 @@ tags:: #[[personal knowledge management]] #zettlekasten #knowledge #meta #life
 
 - **prev:** [[personal knowledge management]]
 -
-- ### references
+- ### further reading
 	- tiago forte has really good videos on how to manage your second brain. he even wrote a book on it! i haven't read it myself, but his videos are really good.
 		- {{video https://www.youtube.com/watch?v=f3dDVtJ2sec}}
 	-
-	- this is a really neat way of using [[obsidian]] that also influenced a lot of the way that i take notes.
+	- this video by artem kirsanov shows a really neat way of using [[obsidian]] that influenced a lot of the way that i take notes.
 		- {{video https://www.youtube.com/watch?v=E6ySG7xYgjY}}
-	-
+	- this video by aidan helfant showcases a brief history of [[zettlekasten]]
 - **next:**
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