diff --git a/source/reference/command/findAndModify.txt b/source/reference/command/findAndModify.txt
index 946183c034f..592bd6e2f47 100644
--- a/source/reference/command/findAndModify.txt
+++ b/source/reference/command/findAndModify.txt
@@ -279,7 +279,11 @@ The ``lastErrorObject`` embedded document contains the following fields:
 
      - boolean
 
-     - Contains ``true`` if an ``update`` operation modified an existing document.
+     - Contains ``true`` if an ``update`` operation:
+
+       - Modified an existing document.
+       - Found the document, but it was already in the
+         desired destination state so no update actually occurred.