DOCSP-31167: Fix statement about multiple security methods for CSFLE … (#3518)

* DOCSP-31167: Fix statement about multiple security methods for CSFLE and QE

* fix source constant

Author: Chris Cho

source/core/csfle/features.txt

@@ -129,9 +129,12 @@ and the potential security vulnerabilities that they address:
 
 .. important:: Use the Mechanisms Together
 
-   To secure a production deployment, use all the security mechanisms
-   discussed in this guide together. The mechanisms are not mutually
-   exclusive.
+   To secure a production deployment, you can use multiple security
+   mechanisms discussed in this guide together. However, you cannot use
+   both {+csfle-abbrev+} and {+qe+} to encrypt data in the same collection.
+
+   To learn more about {+qe+}, see :ref:`{+qe+} Features <qe-features>`.
+
 
 Scenario
 --------

source/core/queryable-encryption/features.txt

@@ -183,12 +183,6 @@ cannot protect your data from a privileged user or as it sits on disk.
 To learn more, see
 :manual:`Transport Encryption using TLS/SSL </core/security-transport-encryption/>`
 
-.. important:: Use the Mechanisms Together
-
-   To secure a production deployment, use all the security mechanisms
-   discussed in this guide together. The mechanisms are not mutually
-   exclusive.
-
 Comparison of Features
 ----------------------
 
@@ -200,9 +194,11 @@ the potential security vulnerabilities that they address:
 
 .. important:: Use the Mechanisms Together
 
-   To secure a production deployment, use all the security mechanisms
-   discussed in this guide together. The mechanisms are not mutually
-   exclusive.
+   To secure a production deployment, you can use multiple security
+   mechanisms discussed in this guide together. However, you cannot use
+   both {+csfle-abbrev+} and {+qe+} to encrypt data in the same collection.
+
+   To learn more about {+csfle+}, see :ref:`{+csfle+} Features <csfle-features>`.
 
 Scenario
 --------