Update typos and clarify python files note supported

CONTRIBUTING.md

@@ -370,12 +370,12 @@ The [Docker](https://github.com/LineaLabs/lineapy/blob/main/Dockerfile) and [mak
 ### 4.5. Benchmarking
 
 We provide a benchmarking command to test how much lineapy impacts the performance. To use it,
-pass in the path to a notebook or Python file (which does not import lineapy) to `lineapy benchmark` and lineapy will try it multiple time and report some stastics (using the method
+pass in the path to a notebook (which does not import lineapy) to `lineapy benchmark` and lineapy will try it multiple time and report some stastics (using the method
 described in the paper ["Quantifying Performance Changes with Effect Size Confidence
 Interval"](https://www.cs.kent.ac.uk/pubs/2012/3233/content.pdf)) by Tomas Kalibera and Richard Jones).
 
 ```bash
-$ cd tests/integrations
+$ cd tests/integration
 # First run the test, to create the conda env for the tensorflow notebook
 $ pytest 'test_slice.py::test_slice[tensorflow_preprocessing_layers]' -m integration
 # Then activate the environment

lineapy/cli/cli.py

@@ -381,7 +381,7 @@ def validate_benchmark_path(ctx, param, value: pathlib.Path):
 )
 def benchmark(path: pathlib.Path, n: int, skip_baseline: bool):
     """
-    Benchmarks running the file or notebook at PATH with lineapy versus with pure Python.
+    Benchmarks running the notebook at PATH with lineapy versus with pure Python.
     Runs with and without lineapy REPETITIONS times.
 
     Prints the length of each run, and some statistics if they are meanifully different.