Update src/content/docs/speed/observatory/index.mdx

Author: angelampcosta

src/content/docs/speed/observatory/index.mdx

@@ -25,7 +25,7 @@ The browser test loads the requested page in a headless browser and runs Google
 
 ### Network test
 
-The network test is focused on giving a detailed breakdown of the network and back-end performance of an endpoint. For more information on metrics collected, refer to Network monitoring metrics (link to section). 
+The network test is focused on giving a detailed breakdown of the network and back-end performance of an endpoint. For more information on metrics collected, refer to [Network monitoring metrics](/speed/observatory/test-results/#network-monitoring-metrics). 
 
 ### Network comparison test