docs: Fix sentence in Machine-files.md [skip ci]
Fixes: ("docs/machine-files: Add a section on data types")
@@ -34,7 +34,7 @@ A boolean must be either `true` or `false`, and unquoted.
option = false
```
-An integer must be either an unquoted numeric constant;
+An integer must be an unquoted numeric constant.
```ini
option = 42
```
