fix broken link

Author: daniel-jones-dev

api-reference/languages/retrieve-supported-languages-by-product.mdx

@@ -19,7 +19,7 @@ Get information about all currently supported languages across all DeepL API pro
 </Info>
 
 We also provide auto-generated API specs from DeepL's OpenAPI file, for use with API clients and code generation tools:
-- [Retrieve languages](/api-reference/languages/retrieve-languages)
+- [Retrieve languages](/api-reference/languages/retrieve-languages-by-product)
 - [Retrieve products](/api-reference/languages/retrieve-products)
 - [Retrieve language pair exceptions](/api-reference/languages/retrieve-language-pair-exceptions)