Fix broken link in migration-from-launchdarkly-translation.mdx (#543)

Author: kp-cat

website/docs/advanced/migration-from-launchdarkly-translation.mdx

@@ -45,7 +45,7 @@ while ConfigCat offers [User Objects](../../targeting/user-object) for this purp
 
 However, the data structure of these is different:
 * In LaunchDarkly, in addition to the default user context, it is possible to define and use other, arbitrary
-contexts (e.g. device, application, etc.). [Multi-contexts](https://launchdarkly.com/docs/home/observability/multi-contexts)
+contexts (e.g. device, application, etc.). [Multi-contexts](https://launchdarkly.com/docs/home/flags/multi-contexts)
 and nested objects are also possible.
 * On the contrary, ConfigCat's User Object is a simpler data structure, primarily designed for storing user-related
 information. However, via custom attributes it's still able to store arbitrary information.