DOCS-455 modifying admonition

Author: Sam Kleinman

source/reference/mongorestore.txt

@@ -19,9 +19,17 @@ indexes on a restore. :program:`mongorestore` performs only inserts. If
 existing data with the same ``_id`` already exists on the database,
 :program:`mongorestore` will not replace it.
 
-The :program:`mongorestore` tool does "fire-n-forget" inserts and does
-not perform safe writes. Any errors that might happen during inserts are
-recorded only on the server logs and not reported in the tool.
+The behavior of :program:`mongorestore` has the following properties:
+
+- all operations are inserts, not updates.
+
+- all inserts are "fire and forget," :program:`mongorestore` does not
+  wait for a response from a :program:`mongod` to ensure that the
+  MongoDB process has received or recorded the operation.
+
+  The :program:`mongod` will record any errors to its log that occur
+  during a restore operation but :program:`mongorestore` will not
+  receive errors.
 
 .. include:: /includes/note-mongodump-compatibility-2.2.rst