Fix example of creating multiple items from single item

[ihortom]

This comes from the question in the community forum, https://community.n8n.io/t/how-to-use-the-code-node-to-create-multiple-items-from-a-single-item/62189.

[netlify]

✅ Deploy Preview for n8n-docs ready!

Name	Link
🔨 Latest commit	3b3c743
🔍 Latest deploy log	https://app.netlify.com/sites/n8n-docs/deploys/673cd4c076843e0008953da8
😎 Deploy Preview	https://deploy-preview-2632--n8n-docs.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[github-actions]

Overall readability score: 44.25 (🔴 -0.02)

File	Readability
chapter-1.md	70 (🔴 -0.64)

View detailed metrics

🟢 - Shows an increase in readability
🔴 - Shows a decrease in readability

File	Readability	FRE	GF	ARI	CLI	DCRS
chapter-1.md	70	59.84	10.15	10.8	8.88	6.52
	🔴 -0.64	🔴 -0.4	🔴 -0.15	🔴 -0.3	🟢 +0.06	🟢 +0.01

Averages:

	Readability	FRE	GF	ARI	CLI	DCRS
Average	44.25	35.23	11.43	14.7	14.28	8.45
	🔴 -0.02	🔴 -0.02	🟢 +0	🟢 +0	🟢 +0	🟢 +0

View metric targets

Metric	Range	Ideal score
Flesch Reading Ease	100 (very easy read) to 0 (extremely difficult read)	60
Gunning Fog	6 (very easy read) to 17 (extremely difficult read)	8 or less
Auto. Read. Index	6 (very easy read) to 14 (extremely difficult read)	8 or less
Coleman Liau Index	6 (very easy read) to 17 (extremely difficult read)	8 or less
Dale-Chall Readability	4.9 (very easy read) to 9.9 (extremely difficult read)	6.9 or less