Project Update (minor delay/issue)

Subject: Heads Up! Small Update on Your [Project Name] Timeline

Hey [Client Name],

Just wanted to give you a quick heads-up about a tiny tweak to the [Project Name] timeline.

We’ve hit a small snag with [briefly explain the reason for the delay/issue, e.g., “a tricky integration we’re working on” or “a third-party tool that’s taking a little longer to respond”]. Because of this, it looks like we’ll need an extra [Number] business days for this part.

So, the new estimated finish for this phase will be around [New Estimated Date].

We’re already on it, working hard to smooth things out and get back on track! We’ll definitely keep you in the loop.

Thanks for your understanding!

Best,

[Your Name/Account Manager Name]

[Your Company Name]