docs: fix simple typo, orignal -> original
There is a small typo in tests/test_unified_install_cache.py.
Should read `original` rather than `orignal`.
@@ -108,7 +108,7 @@ def test_issues_789_demo():
colorized_isort_pex_info.pex_root = ptex_cache
# Force the standard pex to extract its code. An external tool like Pants would already know the
- # orignal source code file paths, but we need to discover here.
+ # original source code file paths, but we need to discover here.
code_hash = colorized_isort_pex_info.code_hash
assert code_hash is not None
colorized_isort_pex_code_dir = os.path.join(
