ReadMe Typo: Language Readability Missing Context

### Reproducing the behavior

N/A

### System Settings

N/A

### Additional context

```diff
- The file above implements a recursive sum. If that looks unreadable to you - don't worry, it isn't meant to.
+ The file above implements a recursive sum. If that looks unreadable to you - don't worry, it isn't meant to be used directly.
```