Update _index.md

Author: Adam Dupaski

content/en/docs/appstore/partner-solutions/apd/_index.md

@@ -19,7 +19,7 @@ With version 3, the product has been renamed from **Mendix Application Performan
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 {{% alert color="info" %}}
-To request or renew your license, go to [this form](https://addon.mendix.com/index.html).
+To obtain or renew your purchased license, go to [this form](https://addon.mendix.com/index.html).
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