diff --git a/google/cloud/servicehealth/v1/event_resources.proto b/google/cloud/servicehealth/v1/event_resources.proto
index e8caa03a53354..33fad0c338158 100644
--- a/google/cloud/servicehealth/v1/event_resources.proto
+++ b/google/cloud/servicehealth/v1/event_resources.proto
@@ -105,12 +105,18 @@ message Event {
     // name of the parent.
     MERGED = 4;
 
-    // The incident was automatically closed because the issues couldn’t be
-    // confirmed or is no longer impacting Google Cloud Products and/or
-    // Locations.
+    // The incident was automatically closed because of the following reasons:
+    //
+    //  * The impact of the incident could not be confirmed.
+    //  * The incident was intermittent or resolved itself.
+    //
+    //  The incident does not have a resolution because no action or
+    //  investigation happened. If it is intermittent, the incident may reopen.
     AUTO_CLOSED = 9;
 
-    // The incident was verified as non-impactful. No further action required.
+    // Upon investigation, Google engineers concluded that the incident is not
+    // affecting a Google Cloud product. This state can change if the incident
+    // is reviewed again.
     FALSE_POSITIVE = 10;
   }
 
@@ -273,12 +279,18 @@ message OrganizationEvent {
     // parent.
     MERGED = 4;
 
-    // The incident was automatically closed because the issues couldn’t be
-    // confirmed or is no longer impacting Google Cloud Products and/or
-    // Locations.
+    // The incident was automatically closed because of the following reasons:
+    //
+    //  * The impact of the incident could not be confirmed.
+    //  * The incident was intermittent or resolved itself.
+    //
+    //  The incident does not have a resolution because no action or
+    //  investigation happened. If it is intermittent, the incident may reopen.
     AUTO_CLOSED = 9;
 
-    // The incident was verified as non-impactful. No further action required.
+    // Upon investigation, Google engineers concluded that the incident is not
+    // affecting a Google Cloud product. This state can change if the incident
+    // is reviewed again.
     FALSE_POSITIVE = 10;
   }