Clarify build step

n4bb12 · n4bb12 · commit 6327bb0b3e08 · 2020-12-24T06:38:48.000+01:00
diff --git a/README.md b/README.md
@@ -64,7 +64,9 @@ Adapt `includeFiles` to your public output folder. Including these files is requ
 
 ### Step 4 — Build
 
-To build your website during lambda deploylent, add a `vercel-build` step that builds your website.
+If you have an existing `build` script, rename it to `vercel-build` to build your website as part of the lambda build instead of the normal build.
+
+Make sure to not keep the `build` script as it would result in duplicate work or may break deployment entirely. For more information see [custom-build-step-for-node-js](https://vercel.com/docs/runtimes#advanced-usage/advanced-node-js-usage/custom-build-step-for-node-js).
 
 ```json
 {

Original file line number	Diff line number	Diff line change
@@ -64,7 +64,9 @@ Adapt `includeFiles` to your public output folder. Including these files is requ
`64`	`64`
`65`	`65`	`### Step 4 — Build`
`66`	`66`
`67`		-To build your website during lambda deploylent, add a `vercel-build` step that builds your website.
	`67`	+If you have an existing `build` script, rename it to `vercel-build` to build your website as part of the lambda build instead of the normal build.
	`68`	`+`
	`69`	+Make sure to not keep the `build` script as it would result in duplicate work or may break deployment entirely. For more information see [custom-build-step-for-node-js](https://vercel.com/docs/runtimes#advanced-usage/advanced-node-js-usage/custom-build-step-for-node-js).
`68`	`70`
`69`	`71`	```json
`70`	`72`	`{`