Update docs/code-examples/README.md

Co-authored-by: Jeremy Leibs <[email protected]>

docs/code-examples/README.md

@@ -9,7 +9,7 @@ Most of these examples are automatically used as docstrings for the `Archetype`
 You can run each example individually using the following:
 
 - **Python**: `python <example_name>.py`, e.g. `python point3d_random.py`.
-- **Rust**: `cargo r -p code_examples --bin <example_name`, e.g.
+- **Rust**: `cargo r -p code_examples --bin <example_name>`, e.g.
   `cargo r -p code_examples --bin point3d_random`.
 - **C++**:
   - `./docs/code-examples/build_all.sh` to compile all examples