docs/Single-server-VictoriaMetrics.md: recommend periodic running of make spellcheck command

This is a follow-up for fabf0b928e
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/pull/6562

README.md

@@ -2648,19 +2648,25 @@ VictoriaMetrics repo and apply changes to the docs:
   - To update other pages, apply changes to the corresponding file in [docs folder](https://github.com/VictoriaMetrics/VictoriaMetrics/tree/master/docs).
 - If your changes contain an image then see [images in documentation](https://docs.victoriametrics.com/#images-in-documentation).
 - Once changes are made, execute the command below to finalize and sync the changes:
+
   ```sh
   make docs-sync
   ```
+
 - Create [a pull request](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request)
   with proposed changes and wait for it to be merged.
 
 Requirements for changes to docs:
+
 - Keep backward compatibility of existing links. Avoid changing anchors or deleting pages as they could have been
   used or posted in other docs, GitHub issues, stackoverlow answers, etc.
-- Keep docs simple. Try using as simple wording as possible.
+- Keep docs clear, concise and simple. Try using as simple wording as possible, without loosing the clarity.
 - Keep docs consistent. When modifying existing docs, verify that other places referencing to this doc are still relevant.
 - Prefer improving the existing docs instead of adding new ones.
-- Use absolute links.
+- Use absolute links. This simplifies moving docs between different files.
+
+Priodically run `make spellcheck` - this command detects spelling errors at `docs/` folder. Please fix the found spelling errors
+and commit the fixes in a separate commit.
 
 ### Images in documentation
 

docs/README.md

@@ -2651,19 +2651,25 @@ VictoriaMetrics repo and apply changes to the docs:
   - To update other pages, apply changes to the corresponding file in [docs folder](https://github.com/VictoriaMetrics/VictoriaMetrics/tree/master/docs).
 - If your changes contain an image then see [images in documentation](https://docs.victoriametrics.com/#images-in-documentation).
 - Once changes are made, execute the command below to finalize and sync the changes:
+
   ```sh
   make docs-sync
   ```
+
 - Create [a pull request](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request)
   with proposed changes and wait for it to be merged.
 
 Requirements for changes to docs:
+
 - Keep backward compatibility of existing links. Avoid changing anchors or deleting pages as they could have been
   used or posted in other docs, GitHub issues, stackoverlow answers, etc.
-- Keep docs simple. Try using as simple wording as possible.
+- Keep docs clear, concise and simple. Try using as simple wording as possible, without loosing the clarity.
 - Keep docs consistent. When modifying existing docs, verify that other places referencing to this doc are still relevant.
 - Prefer improving the existing docs instead of adding new ones.
-- Use absolute links.
+- Use absolute links. This simplifies moving docs between different files.
+
+Priodically run `make spellcheck` - this command detects spelling errors at `docs/` folder. Please fix the found spelling errors
+and commit the fixes in a separate commit.
 
 ### Images in documentation
 

docs/Single-server-VictoriaMetrics.md

@@ -2659,19 +2659,25 @@ VictoriaMetrics repo and apply changes to the docs:
   - To update other pages, apply changes to the corresponding file in [docs folder](https://github.com/VictoriaMetrics/VictoriaMetrics/tree/master/docs).
 - If your changes contain an image then see [images in documentation](https://docs.victoriametrics.com/#images-in-documentation).
 - Once changes are made, execute the command below to finalize and sync the changes:
+
   ```sh
   make docs-sync
   ```
+
 - Create [a pull request](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request)
   with proposed changes and wait for it to be merged.
 
 Requirements for changes to docs:
+
 - Keep backward compatibility of existing links. Avoid changing anchors or deleting pages as they could have been
   used or posted in other docs, GitHub issues, stackoverlow answers, etc.
-- Keep docs simple. Try using as simple wording as possible.
+- Keep docs clear, concise and simple. Try using as simple wording as possible, without loosing the clarity.
 - Keep docs consistent. When modifying existing docs, verify that other places referencing to this doc are still relevant.
 - Prefer improving the existing docs instead of adding new ones.
-- Use absolute links.
+- Use absolute links. This simplifies moving docs between different files.
+
+Priodically run `make spellcheck` - this command detects spelling errors at `docs/` folder. Please fix the found spelling errors
+and commit the fixes in a separate commit.
 
 ### Images in documentation