diff --git a/category theory.md b/category theory.md
index 370a5b20e..147199378 100644
--- a/category theory.md	
+++ b/category theory.md	
@@ -4,9 +4,9 @@
 	- [[wp]] https://en.wikipedia.org/Category_Theory
 		- [[go]] [[wp]]
 	- [[pull]] [[mini curriculum on applied category theory and engineering design]]
-	- [[category]]
-	- [[seven sketches]] is an introductory book on category theory from a unique applied perspective
-		- At Cambridge University Press: https://www.cambridge.org/core/books/an-invitation-to-applied-category-theory/D4C5E5C2B019B2F9B8CE9A4E9E84D6BC
-		- ArXiv free version: https://arxiv.org/pdf/1803.05316.pdf
-		- Pirated final version: http://library.lol/main/C61E1736381D70DB2E3EE27829D00012
-		- MIT course on category theory and programming (bridging the math and programming ways of speaking) http://www.brendanfong.com/programmingcats.html
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+		- [[seven sketches]] is an introductory book on category theory from a unique applied perspective
+			- At Cambridge University Press: https://www.cambridge.org/core/books/an-invitation-to-applied-category-theory/D4C5E5C2B019B2F9B8CE9A4E9E84D6BC
+			- ArXiv free version: https://arxiv.org/pdf/1803.05316.pdf
+			- Pirated final version: http://library.lol/main/C61E1736381D70DB2E3EE27829D00012
+			- MIT course on category theory and programming (bridging the math and programming ways of speaking) http://www.brendanfong.com/programmingcats.html
+	- [[pull]] [[category theory basics]]
\ No newline at end of file