Proofread docs in the /contributing directory (#1718)

* Proofread upstream-packages.rst

* Fix line length lint errors

* Initial copyedit for testing.rst

* Proofread build-vyos.rst

* Fix line length errors

* Proofread debugging.rst

* Proofread issues-features.rst

* Complete issuesfeatures.rst proofreading

* Initial proofread development.rst

* Revise proofreading of development.rst

* Remove mentions of Phabricator and Jenkins CI

* Fix line length lint errors

* Fix additional line length lint errors

1 files changed, 16 insertions, 15 deletions

diff --git a/docs/contributing/cla.rst b/docs/contributing/cla.rst
index 778beb9d..c19e266a 100644
--- a/docs/contributing/cla.rst
+++ b/docs/contributing/cla.rst
@@ -1,3 +1,5 @@
+:lastproofread: 2025-12-05
+
 .. _cla:
 
 #############################
@@ -7,38 +9,37 @@ Contributor License Agreement
 Before we can accept your contributions to VyOS, you must sign a **Contributor
 License Agreement (CLA)**.
 
-This is a standard open-source practice designed to protect both you and the
-project.
+This is a standard open-source practice that protects both you and the project.
 
-The process is simple and fully automated:
+The process is straightforward and fully automated:
 
 1. **Review the CLA document**
 
-   You can find the CLA text at our
+   Find the CLA text in our
    `GitHub repository <https://github.com/vyos/vyos-cla-signatures/>`__.
 
 2. **Submit a pull request**
 
-   When you open a pull request, a CLA bot will automatically check whether all
+   When you open a pull request, a CLA bot automatically checks whether all
    commit authors have signed the CLA.
 
 3. **Follow the bot's instructions**
 
-   If the CLA has not been signed, the bot will leave a comment with a prompt.
-   Simply reply to that comment with the suggested text to sign the CLA.
+   If the CLA has not been signed, the bot leaves a comment with instructions.
+   Reply to that comment with the suggested text to sign the CLA.
 
 4. **Wait for confirmation**
 
-   The CLA bot will verify your response and update the pull request status.
-   Once all commit authors have signed, the bot will confirm that the CLA
-   requirement has been met, and unlock the pull request for merging.
+   The CLA bot verifies your response and updates the pull request status.
+   Once all commit authors have signed, the bot confirms that the CLA
+   requirement is met and unlocks the pull request for merging.
 
 .. note::
 
-   The CLA must be signed by **each commit author**.
+   Each commit author must sign the CLA.
 
-   If your pull request includes commits from multiple contributors, each of
-   them must sign the CLA before the pull request can be accepted.
+   If your pull request includes commits from multiple contributors, each one
+   must sign the CLA before the pull request can be accepted.
 
-Once signed, the CLA remains valid for all past and future contributions to VyOS
-made under the same GitHub identity.
+Once you sign the CLA, it remains valid for all your past and future
+contributions to VyOS under the same GitHub identity.