X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=index.mdwn;h=ca3fd23289b151d70aa0db7940426cdd94fcc0f4;hp=c237ddb084f02d7537b0c175c4d3cd49bd6a21a5;hb=d14d930cfc556a62374fb3cef15fed78b8b72718;hpb=b7a86f90096a5b69f5ff680e25027ad4bed37237

diff --git a/index.mdwn b/index.mdwn
index c237ddb0..ca3fd232 100644
--- a/index.mdwn
+++ b/index.mdwn
@@ -18,11 +18,10 @@ Some programming resources:
 
 Books:
 
-   *The Little Schemer*, by Daniel P. Friedman and Matthias Felleisen, currently $23 on [Amazon]
-(http://www.amazon.com/exec/obidos/ASIN/0262560992/ref=pd_sim_books/103-5471398-9229403#reader_0262560992).
+   *The Little Schemer, Fourth Edition*, by Daniel P. Friedman and Matthias Felleisen, currently $23 on [Amazon](http://www.amazon.com/exec/obidos/ASIN/0262560992/ref=pd_sim_books/103-5471398-9229403#reader_0262560992).
 This is a classic text introducing the gentle art of programming, using the functional programming language Scheme.
 Many people love this book, but it has an unusual dialog format that is not to everybody's taste.
-**Of particular interest for this course** is the explanation of the Y combinator, avaialble as a free sample chapter 
+**Of particular interest for this course** is the explanation of the Y combinator, available as a free sample chapter 
 [at the MIT Press web page for the book](http://www.ccs.neu.edu/home/matthias/BTLS/).