Merge pull request #227 from holyjak/patch-1

when vs if clarification

Author: seancorfield

README.adoc

@@ -1313,7 +1313,7 @@ You'll rarely need an actual boolean value in Clojure, but it's useful to know h
 
 === `when` vs `if` [[when-instead-of-single-branch-if]]
 
-Use `when` instead of `(if ... (do ...))`.
+Use `when` instead of `if` with just the truthy branch, as in `(if condition (something...))` or `(if ... (do ...))`.
 
 [source,clojure]
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