Clarify instructions on balloon driver.

Author: Shannon Bradshaw

source/includes/extracts-production-notes-base.yaml

@@ -12,13 +12,9 @@ content: |
   applications, which can interfere with MongoDB's memory management and
   affect MongoDB's performance.
 
-  You can disable the balloon driver and {{software}}'s memory overcommitment
-  feature to mitigate these problems. However, disabling the balloon driver
-  can cause the hypervisor to use its swap, as there is no other available
-  mechanism to perform the memory reclamation. Accessing data in swap
-  is much slower than accessing data in memory, which can in turn affect
-  performance. Instead of disabling the balloon driver and memory
-  overcommitment features, map and reserve the full amount of memory for
+  Do not disable the balloon driver and memory overcommitment features. This can cause the hypervisor to use its swap which can, in turn, affect performance.
+
+  Instead, map and reserve the full amount of memory for
   the virtual machine running MongoDB. This ensures that the balloon
   will not be inflated in the local operating system if there is memory
   pressure in the hypervisor due to an overcommitted configuration.