diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index c3393b576..9c8b1df08 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -23,7 +23,7 @@ First, clone this repository:
 
 ```bash
 git clone https://github.com/sigstore/sigstore-python
-cd sigstore
+cd sigstore-python
 ```
 
 Then, use one of the `Makefile` targets to run a task. The first time this is
@@ -91,10 +91,10 @@ including code coverage with [`coverage.py`](https://coverage.readthedocs.io/).
 #### X.509 test cases
 
 `sigstore` includes some checked-in X.509 test assets under
-[`test/unit/assets/x509`](./test/unit/assets/x509/).
+[`test/assets/x509`](./test/assets/x509/).
 
 These assets are generated by the adjacent
-[`build-testcases.py`](./test/unit/assets/x509/build-testcases.py) script,
+[`build-testcases.py`](./test/assets/x509/build-testcases.py) script,
 which can be updated to generate additional test cases.
 
 To re-build the X.509 test cases, you can use `make`: