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diff --git a/how_to_get_the_programming_languages_running_on_your_computer.mdwn b/how_to_get_the_programming_languages_running_on_your_computer.mdwn
index da5e24ea..935e4a9c 100644
--- a/how_to_get_the_programming_languages_running_on_your_computer.mdwn
+++ b/how_to_get_the_programming_languages_running_on_your_computer.mdwn
@@ -69,7 +69,7 @@ easier and more straightforward for others.
 ## Getting Scheme ##
 
 **Scheme** is one of two major dialects of *Lisp*, which is a large family of
-programming languages. The other dialect is called "CommonLisp." Scheme is the
+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.
 
@@ -82,9 +82,11 @@ another Scheme implementation, though, there's no compelling reason to switch.)
 
 Since the name change is so recent, you're likely to run across both sets of names.
 
-PLT Scheme had three salient components: the command-line version "mzscheme", a
-GUI extension "MrEd", and a teaching-friendly editor/front-end "DrScheme". In
-Racket these have been renamed "racket", "gracket", and "DrRacket",
+PLT/Racket stands to Scheme in something like the relation Firefox stands to HTML. It's one program among others for working with the language; and many of those programs (or web browsers) permit different extensions, have small variations, and so on.
+
+PLT Scheme had several components. The two most visible components for us
+were the command-line interpreter "mzscheme" and a teaching-friendly editor/front-end "DrScheme". In
+Racket these have been renamed "racket" and "DrRacket",
 respectively.