Update CONTRIBUTING.md

CONTRIBUTING.md

@@ -21,15 +21,14 @@ you make a git commit:
     pre-commit install
 
 The configuration file for this project is in a
-non-start location. Thus, you will need to edit your
+non-standard location. Thus, you will need to edit your
 `.git/hooks/pre-commit` file to reflect this. Change
 the line that begins with `ARGS` to:
 
     ARGS=(hook-impl --config=.config/pre-commit-config.yaml --hook-type=pre-commit)
 
 With pre-commit, all code is formatted according to
-[black]("https://github.com/psf/black") and
-[ruff]("https://github.com/charliermarsh/ruff") guidelines.
+[ruff](https://github.com/astral-sh/ruff) guidelines.
 
 To check if your changes pass pre-commit without committing, run:
 
@@ -41,7 +40,7 @@ To run the tests and view coverage, execute:
 
     pytest -c .config/pytest.ini --cov hdx --cov-config .config/coveragerc
 
-Follow the example set out already in ``api.rst`` as you write the documentation.
+Follow the example set out already in ``documentation/main.md`` as you write the documentation.
 
 ## Packages