edits

diff --git a/zipper-lists-continuations.mdwn b/zipper-lists-continuations.mdwn
index 581cdf4..0f0662f 100644 (file)
--- a/zipper-lists-continuations.mdwn
+++ b/zipper-lists-continuations.mdwn
@@ -62,6 +62,11 @@ an environment.  So we end up as follows:
 
 And we're done.
 
 
 And we're done.
 

+[This bind is a simplified version of the careful `let a = u e in ...`
+constructions we provided in earlier lectures.  We use the simplified
+versions here in order to emphasize similarities of structure across
+monads; the official bind is still the one with the plethora of `let`'s.]
+

 The **State Monad** is similar.  We somehow intuit that we want to use
 the following type constructor:
 
 The **State Monad** is similar.  We somehow intuit that we want to use
 the following type constructor: