Update overview.md

Also update in testnet docs

docs/releases/overview.md

@@ -17,7 +17,7 @@ See the full release notes on [GitHub ↗](https://github.com/vegaprotocol/vega/
 [**Vega Capsule on GitHub** ↗](https://github.com/vegaprotocol/vegacapsule/releases) - Vega Capsule, which lets you create an instance of the Vega network on your computer to experiment with using the protocol, is public and you can read the contents of each release on GitHub.
 
 ## Vega core software
-The Vega core software is public on a business-source licence, so you can both view the repository change logs, and refer here for summary release notes for each version that the validators use to run the Vega mainnet. Releases are listed with their semantic version number and the date the release was made available to mainnet validators.
+he Vega core software is public and open source under the [AGPL ↗](https://www.gnu.org/licenses/agpl-3.0.en.html) license, so you can both view the repository change logs, and refer here for summary release notes for each version that the validators use to run the Vega mainnet. Releases are listed with their semantic version number and the date the release was made available to mainnet validators.
 
 ## Pre-release version 0.74 | 2024-01-24
 This version was released to the Vega testnet on 24 January 2024.