Fix link to SDK in impression-data.md (#9116)

## About the changes
Fix broken link in markdown file in impression-data documentation

website/docs/reference/impression-data.md

@@ -88,7 +88,7 @@ You can enable impression data via the impression data flag in the admin UI's fl
 
 ## Example setup
 
-The exact setup will vary depending on your [client SDK](./sdks). The below example configures the [Unleash Proxy client../reference/sdks/javascript-browser) to listen for impression events and log them to the console. If "my-feature-flag" is configured to emit impression data, then it will trigger an impression event as soon as Unleash is ready.
+The exact setup will vary depending on your [client SDK](./sdks). The below example configures the [Unleash Proxy client](/reference/sdks/javascript-browser) to listen for impression events and log them to the console. If "my-feature-flag" is configured to emit impression data, then it will trigger an impression event as soon as Unleash is ready.
 
 ```js
 const unleash = new UnleashClient({