diff --git a/seven sketches in compositionality.md b/seven sketches in compositionality.md
index 0d246c762..1885f204a 100644
--- a/seven sketches in compositionality.md	
+++ b/seven sketches in compositionality.md	
@@ -1,2 +1,4 @@
 # seven sketches in compositionality
 
+- [[pull]] [[an invitation to applied category theory]]
+