diff --git a/README.md b/README.md
index f6475fb..860bf2b 100644
--- a/README.md
+++ b/README.md
@@ -35,3 +35,7 @@ You're *very* npm.
 ```bash
 npm install --global how-npm-am-i
 ```
+
+# How I built this
+
+See <https://coolaj86.com/articles/how-cool-you-are-on-npm/>
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