I suspect that, somewhere along the upgrade path, I didn't properly u prompts file, but it could be something else.
You are correct, you need to find the prompt and update it, the correct prompt is:
Message base "To" input default value
Prompt: 104/554
| Sysop: | Angel Ripoll |
|---|---|
| Location: | Madrid, Spain |
| Users: | 13 |
| Nodes: | 8 (0 / 8) |
| Uptime: | 292:37:31 |
| Calls: | 1,105 |
| Calls today: | 1 |
| Files: | 1,388 |
| D/L today: |
1 files (3K bytes) |
| Messages: | 71,431 |