[Workers] Fix grammar in Wrangler auth profiles intro

[MattieTK]

Summary

Fixes a grammatical error in the intro of the Wrangler authentication profiles page.

Affected page: https://developers.cloudflare.com/workers/wrangler/profiles/

Documentation checklist

• The change adheres to the documentation style guide.

[github-actions]

This pull request requires reviews from CODEOWNERS as it changes files that match the following patterns:

Pattern	Owners
/src/content/docs/workers/wrangler/	@cloudflare/wrangler, @irvinebroque, @cloudflare/product-owners, @MattieTK, @vy-ton

[github-actions]

Nimbus Preview URL: https://nimbus-f04123d6.preview.developers.cloudflare.com
Nimbus Preview Branch URL: https://nimbus-fix-wrangler-profiles-grammar.preview.developers.cloudflare.com

[cloudflare-docs-bot]

Review

✅ No issues found in full PR diff.

Code Review

This code review is in beta and may not always be helpful — use your judgment.

_{No code review issues found.}

Conventions

_{No convention issues found.}

Style Guide Review

_{No style-guide issues found.}

Commands

Only codeowners can run commands. Post a comment with the command to trigger it.

Command	Description
/review	Runs a review now. Incremental if a prior review exists, full if not.
/full-review	Re-reviews the entire PR diff from scratch, ignoring incremental history. Useful after a rebase, when you want a fresh review, or if the bot gets out of sync and reports issues that no longer exist.
/ignore-review-limit	Permanently lifts the 2-review automatic limit for this PR. Future pushes will trigger reviews as normal.
/disable-auto-review	Stops automatic reviews from triggering on future pushes to this PR. Codeowners can still run /review or /full-review manually.
/rebase	Rebases the PR branch against production. Stops if there are conflicts and reports which files conflict.
/rebaseWithConflicts	Rebases against production and attempts to resolve conflicts automatically using AI. Stops with an explanation if confidence is not high enough.

[github-actions]

Preview URL: https://f04123d6.preview.developers.cloudflare.com
Preview Branch URL: https://fix-wrangler-profiles-grammar.preview.developers.cloudflare.com

Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/workers/wrangler/profiles/	https://fix-wrangler-profiles-grammar.preview.developers.cloudflare.com/workers/wrangler/profiles/

[MattieTK]

/rebase