tweak wording in contributing.md

CONTRIBUTING.md

@@ -7,7 +7,7 @@ Thank you for your interest in contributing to the 1Password install-cli-action
 After following the steps below for signing commits, you can test against your PR with these steps:
 
 1. Create or use an existing repo to run the `install-cli` GitHub Action
-2. In a workflow yaml file that uses the GitHub Action with
+2. In a workflow yaml file that uses the GitHub Action, modify the `uses: 1Password/load-secrets-action` line to be
 
    ```
    uses: 1Password/load-secrets-action@<branch-name>
@@ -17,7 +17,7 @@ After following the steps below for signing commits, you can test against your P
    uses: 1Password/load-secrets-action@<commit-hash>
    ```
 
-3. Trigger the action to test against your changes
+3. Trigger the action, which now includes your changes
 
 ## Documentation Updates