Support all languages. (#31386)

Co-authored-by: Jules <19994093+jules-p@users.noreply.github.com>

content/copilot/overview-of-github-copilot/about-github-copilot.md

@@ -10,9 +10,9 @@ shortTitle: About GitHub Copilot
 
 ## About {% data variables.product.prodname_copilot %}
 
-{% data variables.product.prodname_copilot %} is an AI pair programmer that offers autocomplete-style suggestions as you code. You can receive suggestions from {% data variables.product.prodname_copilot %} either by starting to write the code you want to use, or by writing a natural language comment describing what you want the code to do. {% data variables.product.prodname_copilot %} analyzes the context in the file you are editing, as well as related files, and offers suggestions from within your text editor.
+{% data variables.product.prodname_copilot %} is an AI pair programmer that offers autocomplete-style suggestions as you code. You can receive suggestions from {% data variables.product.prodname_copilot %} either by starting to write the code you want to use, or by writing a natural language comment describing what you want the code to do. {% data variables.product.prodname_copilot %} analyzes the context in the file you are editing, as well as related files, and offers suggestions from within your text editor. {% data variables.product.prodname_copilot %} is powered by OpenAI Codex, a new AI system created by OpenAI.
 
-{% data variables.product.prodname_copilot %} is optimized to help you write Python, JavaScript, TypeScript, Ruby, Go, C#, or C++. You can also use {% data variables.product.prodname_copilot %} to generate suggestions in other languages and a wide variety of frameworks. {% data variables.product.prodname_copilot %} is powered by OpenAI Codex, a new AI system created by OpenAI. 
+{% data variables.product.prodname_copilot %} is trained on all languages that appear in public repositories. For each language, the quality of suggestions you receive may depend on the volume and diversity of training data for that language. For example, JavaScript is well-represented in public repositories and is one of {% data variables.product.prodname_copilot %}'s best supported languages. Languages with less representation in public repositories may produce fewer or less robust suggestions.
 
 {% data variables.product.prodname_copilot %} is available as an extension in Visual Studio Code, Visual Studio, Neovim and the JetBrains suite of IDEs. For more information, see "[Getting started with {% data variables.product.prodname_copilot %}](/copilot/getting-started-with-github-copilot)."