Scheme links typo

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

diff --git a/offsite_reading.mdwn b/offsite_reading.mdwn
index 71e3ac2..c25f7af 100644 (file)
--- a/offsite_reading.mdwn
+++ b/offsite_reading.mdwn
@@ -89,7 +89,7 @@ get more out of out. (Rinse and repeat.)
 *      The [Complete Racket Reference Manual](http://docs.racket-lang.org/reference/index.html) defines the core Racket language and describes its most prominent libraries. The Racket Guide is friendlier; though less precise and less complete.
 
 *      The Scheme language is standardized; the various implementations of the
-language usually adhere to what's published in the current standard and on
+language usually adhere to what's published in the current standard and add on
 different handy extensions. The first standard was published in 1975. A
 revision was published in 1978 called "The revised report on Scheme, a
 dialect of Lisp." Thereafter, revisions of the standard were titled "The