Correcting example url

Thanks to Bruno Vieira for pointing this out!

Signed-off-by: Paul Balogh <[email protected]>

Author: javaducky

src/data/markdown/translated-guides/en/07 Misc/04 k6 REST API.md

@@ -426,7 +426,7 @@ For more details on how to create groups please go to [Tags and Groups](/using-k
 
 ```bash
 curl -X GET \
-  http://localhost:6565/v1/group/b0470a9324a4ae563b04e9ac49fbc9cf \
+  http://localhost:6565/v1/groups/b0470a9324a4ae563b04e9ac49fbc9cf \
   -H 'Content-Type: application/json'
 ```