Updated per @kevarh review.

Author: Anthony Sansone

source/includes/note-clean-shutdown.rst

@@ -1,8 +1,13 @@
 .. note::
 
-   If you do not perform a clean shut down, errors result that
+   If you do not perform a clean shut down, errors may result that
    prevent the :binary:`~bin.mongod` process from starting.
 
+   Forcibly terminating the :binary:`~bin.mongod` process may cause 
+   inaccurate results for :method:`db.collection.count()` and 
+   :method:`db.stats()` as well as lengthen startup time the next time 
+   that the :binary:`~bin.mongod` process is restarted.
+
    Invoking ``sudo service mongod stop`` does not guarantee a 
    clean shutdown. This ``service`` script forceably stops the
    :binary:`~bin.mongod` process if it takes longer than five