diff --git a/source/administration/production-notes.txt b/source/administration/production-notes.txt
index c67201db97e..6458a6bad0c 100644
--- a/source/administration/production-notes.txt
+++ b/source/administration/production-notes.txt
@@ -51,6 +51,9 @@ use the Ext4 and XFS file systems if using the Linux kernel:
 - If you use the XFS file system, use at least version 2.6.25 of the
   Linux Kernel.
 
+- If you are using a Red Hat distribution, at least version 2.6.245.el5
+  of the Linux Kernel is recommended.
+
 For MongoDB on Linux use the following recommended configurations:
 
 - Turn off ``atime`` for the storage volume with the :term:`database
@@ -411,7 +414,7 @@ Additional Deployment Considerations
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 - Pick your shard keys carefully! There is no way to modify a shard
-  key on a collection that is already sharded. 
+  key on a collection that is already sharded.
 
 - You cannot shard an existing collection over 256 gigabytes. To shard
   large amounts of data, create a new empty sharded collection, and