Fix grammatical error in concepts/bridging documentation

[devin-ai-integration]

Fix grammatical error in concepts/bridging documentation

Summary

Fixed a grammatical error in concepts/bridging/cross-domain.mdx by removing an unnecessary comma before "and" in a compound predicate (line 26). The sentence now correctly reads: "The L2 CrossDomain Messenger processes the deposit by updating the user's account balance and making the assets available for use on L2."

When you have two verbs sharing the same subject in a compound predicate, no comma should precede "and" unless there are three or more items in a series.

Review & Testing Checklist for Human

• Verify the grammar fix is correct and the sentence reads naturally
• Confirm the documentation renders correctly on the preview deployment

Notes

• This was a thorough review of all documentation files in the concepts/bridging folder (1 file total)
• Only one grammatical error was found and fixed
• No changes to technical content, code examples, URLs, or markdown structure

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Link to Devin run: https://app.devin.ai/sessions/23707a49bc9f4021a67c65d3c8e32ea5
Requested by: Ariel Diaz (ariel@oplabs.co) / @aliersh

[devin-ai-integration]

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