fix(docs): Fix typo in Custom Build Id docs (vercel#33515)

Tiny wordsmithing - fixing the tense of a verb and using a slightly more accurate word.

docs/api-reference/next.config.js/configuring-the-build-id.md

@@ -4,7 +4,7 @@ description: Configure the build id, which is used to identify the current build
 
 # Configuring the Build ID
 
-Next.js uses a constant id generated at build time to identify which version of your application is being served. This can cause problems in multi-server deployments when `next build` is ran on every server. In order to keep a static build id between builds you can provide your own build id.
+Next.js uses a constant id generated at build time to identify which version of your application is being served. This can cause problems in multi-server deployments when `next build` is run on every server. In order to keep a consistent build id between builds you can provide your own build id.
 
 Open `next.config.js` and add the `generateBuildId` function: