UPDATE: README.rst

* Describe procedure in more detail
* Correct old hyperlinks with current usable ones.

etc/gherkin/README.rst

@@ -1,4 +1,23 @@
-SOURCE:
+behave i18n (gherkin-languages.json)
+=====================================================================================
 
-* https://github.com/cucumber/cucumber/blob/master/gherkin/gherkin-languages.json
-* https://raw.githubusercontent.com/cucumber/cucumber/master/gherkin/gherkin-languages.json
+`behave`_ uses the official `cucumber`_ `gherkin-languages.json`_ file 
+to keep track of step keywords for any I18n spoken language.
+
+Use the following procedure if any language keywords are missing/should-be-corrected, etc.
+
+**PROCEDURE:**
+
+* Make pull-request on: https://github.com/cucumber/gherkin repository
+* After it is merged, I pull the new version of `gherkin-languages.json` and generate `behave/i18n.py` from it
+* OPTIONAL: Give an info that it is merged (if I am missing this state-change)
+
+SEE ALSO:
+
+* https://github.com/cucumber/gherkin
+* https://github.com/cucumber/gherkin/blob/main/gherkin-languages.json
+* https://raw.githubusercontent.com/cucumber/gherkin/main/gherkin-languages.json
+
+.. _behave: https://github.com/behave/behave
+.. _cucumber: https://github.com/cucumber/common
+.. _gherkin-languages.json: https://github.com/cucumber/gherkin/blob/main/gherkin-languages.json