Update documentation for the endpoints to include mention of update_triggered_by (#10271) (#7156)

[upstream:5a465a015a2aa39d99c703b9e71d20432eee9dfa]

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

.changelog/10271.txt

@@ -0,0 +1,3 @@
+```release-note:none
+
+```

website/docs/r/compute_network_endpoint.html.markdown

@@ -26,6 +26,10 @@ collections of these endpoints for GCP resources within a
 single subnet. **NOTE**: Network endpoints cannot be created outside of a
 network endpoint group.
 
+-> **NOTE** In case the Endpoint's Instance is recreated, it's needed to
+perform `apply` twice. To avoid situations like this, please use this resource
+with the lifecycle `update_triggered_by` method, with the passed Instance's ID.
+
 
 To get more information about NetworkEndpoint, see:
 

website/docs/r/compute_network_endpoints.html.markdown

@@ -28,6 +28,10 @@ Network endpoints cannot be created outside of a network endpoint group.
 This resource is authoritative for a single NEG. Any endpoints not specified
 by this resource will be deleted when the resource configuration is applied.
 
+-> **NOTE** In case the Endpoint's Instance is recreated, it's needed to
+perform `apply` twice. To avoid situations like this, please use this resource
+with the lifecycle `update_triggered_by` method, with the passed Instance's ID.
+
 
 To get more information about NetworkEndpoints, see: