Commits: 1

Fix mistake in day-4

index 6b632c1..21504b6 100644
--- a/content/day-4.txt
+++ b/content/day-4.txt
@@ -142,7 +142,7 @@ The tree is built from segments: a line and a dot. In this respect it is similar
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-Press {Key|COMPILE} on Ellie. There should be no difference at this point. Looking back at code I notice that each segment looks the same: it is a group with a dot and a line, where the {Code|group} and {Code|line} functions have the same arguments passed to them. This kind of repetition begs for a function. Let's call it {Code|segment} and define like this:
+Press {Key|COMPILE} on Ellie. There should be no difference at this point. Looking back at code I notice that each segment looks the same: it is a group with a dot and a line, where the {Code|dot} and {Code|line} functions have the same arguments passed to them. This kind of repetition begs for a function. Let's call it {Code|segment} and define like this:
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