SERVER-6961 DOCS-455 minor edit

Author: Bob Grabar

source/reference/mongorestore.txt

@@ -19,9 +19,9 @@ 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" writes. This means
-that any errors that might happen during inserts are recorded only on
-the server logs and not reported in the tool.
+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.
 
 .. include:: /includes/note-mongodump-compatibility-2.2.rst