docs: Adjust one typo (#87)

## Description
Please include a summary of the change and which issue is fixed. Please
also include relevant motivation and context. List any dependencies that
are required for this change.

Just a simple typo in this one README file to adjust. 

## Type of Change
- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [X] Documentation update
- [ ] Refactoring (no functional change, code cleanup)
- [ ] Performance improvement

## Code Review Process
**IMPORTANT**: This project maintains an extremely high standard for
code quality and correctness. By submitting this pull request, you
acknowledge and agree to the following:

1. **You must be able to defend every single line of code you have added
or modified**
2. **You must be prepared to explain the reasoning behind every design
decision**
3. **You must be able to discuss and justify your approach to solving
the problem**
4. **You must be ready to address all feedback and make requested
changes**
5. **You must have thoroughly tested your changes and be confident in
their correctness**

The code review process for this project is intentionally tedious and
thorough. Do not submit a pull request unless you are prepared to defend
your PR changes.

## Breaking Changes
If this change introduces any breaking changes, please describe them
here.

## Checklist
- [X] My code follows the project's coding style guidelines
- [X] I have commented my code, particularly in hard-to-understand areas
- [X] I have made corresponding changes to the documentation
- [X] My changes generate no new warnings
- [X] I have read the project's CONTRIBUTING guidelines
- [X] I understand and agree to the rigorous code review process
described above

src/README.md

@@ -1,5 +1,5 @@
 # Tiered JIT Compilation
-Pound's current goal is to create a Task-Based Parrallel JIT with Work-Stealing. This should hopefully be faster than Dynarmic's multithreading model. Wish me luck.
+Pound's current goal is to create a Task-Based Parallel JIT with Work-Stealing. This should hopefully be faster than Dynarmic's multithreading model. Wish me luck.
 
 ## Roadmap:
  [ ] Interpreter: Runs code immediately while the JIT compiles a faster version in the background.