CONTRIBUTING: add cmd to install tox on first mention of tox
@@ -53,10 +53,15 @@ as well as the project's packages themselves (in `--editable` mode).
You can then run `scripts/eachdist.py test` to test everything or
`scripts/eachdist.py lint` to lint everything (fixing anything that is auto-fixable).
-Additionally, this project uses [`tox`](https://tox.readthedocs.io) to automate some aspects
-of development, including testing against multiple Python versions.
+Additionally, this project uses [tox](https://tox.readthedocs.io) to automate
+some aspects of development, including testing against multiple Python versions.
+To install `tox`, run:
-You can run:
+```console
+$ pip install tox
+```
+
+You can run `tox` with the following arguments:
- `tox` to run all existing tox commands, including unit tests for all packages
under multiple Python versions
@@ -125,13 +130,13 @@ pull requests (PRs).
To create a new PR, fork the project in GitHub and clone the upstream repo:
-```sh
+```console
$ git clone https://github.com/open-telemetry/opentelemetry-python.git
```
Add your fork as an origin:
-```sh
+```console
$ git remote add fork https://github.com/YOUR_GITHUB_USERNAME/opentelemetry-python.git
```
