rapidsai · rapids-bot · May 21, 2024 · May 7, 2024 · May 7, 2024 · May 9, 2024
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -161,6 +161,8 @@ To build all libraries and tests, with Python packages in development mode, simp
 ./build.sh --pydevelop libcudf libcudf_kafka cudf dask_cudf cudf_kafka custreamz
 ```
 
+- **Note**: if Cython files (`*.pyx` or `*.pxd`) have changed, the Python build must be rerun.
+
 To run the C++ tests, run
 
 ```bash
-Original file line number
+Diff line change
@@ Expand Up @@
     ./build.sh --pydevelop libcudf libcudf_kafka cudf dask_cudf cudf_kafka custreamz
     ```
+    - **Note**: if Cython files (`*.pyx` or `*.pxd`) have changed, the Python build must be rerun.
     To run the C++ tests, run
     ```bash
@@ Expand Down @@