diff --git a/README.markdown b/README.markdown
index f2fae3b..2be8ece 100644
--- a/README.markdown
+++ b/README.markdown
@@ -47,13 +47,14 @@ justification to switch from the familiar non-modal word processor.
 Instead, you need a compelling reason—one that can appeal to a writer’s 
 love for language and the tools of writing.
 
-You can find that reason in Vim's mysterious modal commands. But what’s the 
-significance of a command like `cas` to _Change Around Sentence_ to replace 
-an existing sentence? You can see it as a mnemonic. Dig a bit deeper to see 
-that the vi commands have a grammar of their own, comprised of nouns, verbs, 
+You can find that reason in Vim's mysterious command sequences. Take `cas`
+for instance. You might see it as a mnemonic for _Change Around Sentence_ to
+replace an existing sentence. But dig a bit deeper to discover that such 
+commands have a grammar of their own, comprised of nouns, verbs, 
 and modifiers. Think of them as the building blocks of a 
-_domain specific language_ for manipulating text that with mastery can become 
-a powerful tool to express yourself. For more details:
+_domain specific language_ for manipulating text —a different 
+kind of language whose mastery can become a powerful tool to 
+express yourself. For more details:
 
 * [Learn to speak vim – verbs, nouns, and modifiers!][ls]
 * [Your problem with Vim is that you don't grok vi][gv]