week9 tweak

Signed-off-by: Jim Pryor <profjim@jimpryor.net>

diff --git a/week9.mdwn b/week9.mdwn
index 2b80483..21a64c5 100644 (file)
--- a/week9.mdwn
+++ b/week9.mdwn
@@ -389,7 +389,7 @@ This brings up an interesting conceptual distinction. Formerly, we'd naturally t
 
 To handle implicit-style mutation, we'll need to re-implement the way we interpret expressions like `x` and `let x = expr1 in expr2`. We will also have just one new syntactic form, `change x to expr1 then expr2`.
 
-Here's how to implement these. We'll suppose that our assignment function is list of pairs, as in [week7](/reader_monad_for_variable_binding).
+Here's how to implement these. We'll suppose that our assignment function is list of pairs, as above and as in [week7](/reader_monad_for_variable_binding).
 
        let rec eval expression g s =
                match expression with