add #sections anchor

diff --git a/topics/week1_advanced_notes.mdwn b/topics/week1_advanced_notes.mdwn
index 325b14d..51da501 100644 (file)
--- a/topics/week1_advanced_notes.mdwn
+++ b/topics/week1_advanced_notes.mdwn
@@ -177,6 +177,7 @@ These functions can be defined like this:
     in (fst, snd, swap, dup)
 
 
+<a id=sections></a>
 ### Sections ###
 
 OCaml and Haskell have a convenient bit of syntax for the common case where you want a function like this: