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index a5655312..e3053dae 100644
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@@ -122,7 +122,7 @@ and Caml, which are prominent *functional programming languages*. We'll explain
 what that means during the course.
 
 *	**Scheme** is one of two major dialects of *Lisp*, which is a large family
-of programming languages. The other dialect is called "CommonLisp." Scheme
+of programming languages. The other dialect is called "Common Lisp." Scheme
 is the more clean and minimalistic dialect, and is what's mostly used in
 academic circles.
 Scheme itself has umpteen different "implementations", which share most of
@@ -132,6 +132,8 @@ PLT Scheme, and has just in the past few weeks changed their name to Racket.
 This is what we recommend you use. (If you're already using or comfortable with
 another Scheme implementation, though, there's no compelling reason to switch.)
 
+	Racket stands to Scheme in something like the relation Firefox stands to HTML.
+
 *	**Caml** is one of two major dialects of *ML*, which is another large
 family of programming languages. The other dialect is called "SML" and has
 several implementations. But Caml has only one active implementation,