Merge pull request #2939 from newrelic/issue2935-broken_link

Fixed broken link

src/content/docs/new-relic-one/use-new-relic-one/core-concepts/what-entity-new-relic.mdx

@@ -41,7 +41,7 @@ Some tips for finding and understanding entity data:
 
 * To find an entity's unique global identifier (GUID): from any list of monitored entities in the [New Relic Explorer](/docs/new-relic-one/use-new-relic-one/ui-data/new-relic-one-entity-explorer-view-performance-across-apps-services-hosts), hover over a specific entity and click the <Icon name="fe-info"/>
   icon to see the GUID and other metadata.
-* An entity's GUID is reported as the attribute [`entityGuid`](/attribute-dictionary/span/entityguid). You can query for an entity using this attribute in the [query builder](/docs/introduction-chart-builder).
+* An entity's GUID is reported as the attribute [`entityGuid`](/?event=SyntheticCheck&attribute=entityGuid). You can query for an entity using this attribute in the [query builder](/docs/introduction-chart-builder).
 * Use the Related Entities view in the [New Relic Explorer](/docs/new-relic-one/use-new-relic-one/core-concepts/entity-explorer-view-performance-across-apps-services-hosts), [service maps](/docs/service-maps-dependencies-new-relic-one), [distributed tracing](/docs/distributed-tracing-new-relic-one), and our [relationships API in GraphQL](https://docs.newrelic.com/docs/apis/nerdgraph/examples/nerdgraph-relationships-api-tutorial) to see connections between entities.
 * Explore entity data using our NerdGraph GraphiQL explorer ([api.newrelic.com/graphiql](https://api.newrelic.com/graphiql)).