Ch. 5: "careful attention" -> "close attention"

zmodem · marijnh · commit 1f4cdd785ee7 · 2017-01-16T20:53:14.000+01:00
diff --git a/05_higher_order.txt b/05_higher_order.txt
@@ -556,7 +556,7 @@ the two.
 
 The parameters to the `reduce` function are, apart from the array, a
 combining function and a start value. This function is a little less
-straightforward than `filter` and `map`, so pay careful attention.
+straightforward than `filter` and `map`, so pay close attention.
 
 [source,javascript]
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