ntp_snippets cleanup: Update some interface comments

components/ntp_snippets/category_status.h

Index: components/ntp_snippets/category_status.h
diff --git a/components/ntp_snippets/category_status.h b/components/ntp_snippets/category_status.h
index caf0ddfb84dfe9740cb07c9559582ad27ba6ec71..9b9e8abb05e779e20d9e03f9c02673784bd983e1 100644
--- a/components/ntp_snippets/category_status.h
+++ b/components/ntp_snippets/category_status.h
@@ -28,11 +28,13 @@ enum class CategoryStatus {
   // of the service configuration.
   ALL_SUGGESTIONS_EXPLICITLY_DISABLED,
   // Content suggestions from a specific category have been disabled as part of
-  // the service configuration.
+  // the service configuration. Any suggestions from this category should be
+  // removed from the UI immediately.
   CATEGORY_EXPLICITLY_DISABLED,
 
   // Content suggestions are not available because an error occurred when
-  // loading or updating them.
+  // loading or updating them. Any suggestions from this category should be
+  // removed from the UI immediately.
   LOADING_ERROR
 };