DOCSP-36758: Define CMK on encryption key rotation page (#7125)

* DOCSP-36758: Define CMK on encryption key rotation page

* add facet tags

Author: Chris Cho

source/tutorial/rotate-encryption-key.txt

@@ -4,7 +4,13 @@
 Rotate Encryption Keys
 ======================
 
-.. default-domain:: mongodb
+.. facet::
+   :name: genre
+   :values: tutorial
+
+.. meta::
+   :keywords: key management interoperability protocol, customer master key, key management, mongosh, mongod, security
+
 
 .. contents:: On this page
    :local:
@@ -24,7 +30,7 @@ year.
 
 MongoDB provides two options for key rotation. You can rotate out the
 binary with a new instance that uses a new key. Or, if you are using a
-KMIP server for key management, you can rotate the master key.
+KMIP server for key management, you can rotate the :term:`Customer Master Key`.
 
 Rotate a Replica Set Member
 ---------------------------
@@ -72,7 +78,7 @@ KMIP Master Key Rotation
 ------------------------
 
 If you are using a KMIP server for key management, you can rotate
-the master key, the only externally managed key. With the new
+the :term:`Customer Master Key`, the only externally managed key. With the new
 master key, the internal keystore will be re-encrypted but the
 database keys will be otherwise left unchanged. This obviates the need
 to re-encrypt the entire data set.