Merge pull request #123 from github/pip-doc-update

Correct pip command name

README.md

@@ -470,7 +470,7 @@ jobs:
 1. Copy `.env-example` to `.env`
 1. Fill out the `.env` file with a _token_ from a user that has access to the organization to scan (listed below). Tokens should have admin:org or read:org access.
 1. Fill out the `.env` file with the _search_query_ to filter issues by
-1. `pip install -r requirements.txt`
+1. `pip3 install -r requirements.txt`
 1. Run `python3 ./issue_metrics.py`, which will output issue metrics data
 
 ## License