doc: security: Use less ambiguous language about using bot flash encryption & secure boot together

docs/en/security/flash-encryption.rst

@@ -3,7 +3,7 @@ Flash Encryption
 
 Flash Encryption is a feature for encrypting the contents of the ESP32's attached SPI flash. When flash encryption is enabled, physical readout of the SPI flash is not sufficient to recover most flash contents.
 
-Flash Encryption is separate from the :doc:`Secure Boot <secure-boot>` feature, and you can use flash encryption without enabling secure boot. However we recommend using both features together for a secure environment. In absence of secure boot, additional configuration needs to be performed to ensure effectiveness of flash encryption. See :ref:`flash-encryption-without-secure-boot` for more details.
+Flash Encryption is separate from the :doc:`Secure Boot <secure-boot>` feature, and you can use flash encryption without enabling secure boot. However, for a secure environment both should be used simultaneously. In absence of secure boot, additional configuration needs to be performed to ensure effectiveness of flash encryption. See :ref:`flash-encryption-without-secure-boot` for more details.
 
 .. important::
   Enabling flash encryption limits your options for further updates of your ESP32. Make sure to read this document (including :ref:`flash-encryption-limitations`) and understand the implications of enabling flash encryption.

docs/en/security/secure-boot.rst

@@ -3,7 +3,7 @@ Secure Boot
 
 Secure Boot is a feature for ensuring only your code can run on the chip. Data loaded from flash is verified on each reset.
 
-Secure Boot is separate from the :doc:`Flash Encryption <flash-encryption>` feature, and you can use secure boot without encrypting the flash contents. However we recommend using both features together for a secure environment. See :ref:`secure-boot-and-flash-encr` for more details.
+Secure Boot is separate from the :doc:`Flash Encryption <flash-encryption>` feature, and you can use secure boot without encrypting the flash contents. However, for a secure environment both should be used simultaneously. See :ref:`secure-boot-and-flash-encr` for more details.
 
 .. important::