Rollup merge of #72606 - GuillaumeGomez:cell-example-update, r=Dylan-DPC
Rollup merge of #72606 - GuillaumeGomez:cell-example-update, r=Dylan-DPC

Small cell example update

r? @Dylan-DPC

graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust