diff --git a/docs/en/security/flash-encryption.rst b/docs/en/security/flash-encryption.rst
index 4e24a076bc..dcf28dd451 100644
--- a/docs/en/security/flash-encryption.rst
+++ b/docs/en/security/flash-encryption.rst
@@ -413,7 +413,7 @@ To use a host generated key, take the following steps:
 
         idf.py --port PORT efuse-burn-key BLOCK my_flash_encryption_key.bin KEYPURPOSE
 
-    where ``BLOCK`` is a free keyblock between ``BLOCK_KEY0`` and ``BLOCK_KEY5``. And ``KEYPURPOSE`` is either ``AES_256_KEY_1``, ``XTS_AES_256_KEY_2``, ``XTS_AES_128_KEY``. See `{IDF_TARGET_NAME} Technical Reference Manual <{IDF_TARGET_TRM_EN_URL}>`_ for a description of the key purposes.
+    where ``BLOCK`` is a free keyblock between ``BLOCK_KEY0`` and ``BLOCK_KEY5``. And ``KEYPURPOSE`` is either ``XTS_AES_256_KEY_1``, ``XTS_AES_256_KEY_2``, ``XTS_AES_128_KEY``. See `{IDF_TARGET_NAME} Technical Reference Manual <{IDF_TARGET_TRM_EN_URL}>`_ for a description of the key purposes.
 
     For AES-128 (256-bit key) - ``XTS_AES_128_KEY``:
 
diff --git a/docs/zh_CN/security/flash-encryption.rst b/docs/zh_CN/security/flash-encryption.rst
index d3be755e08..0eb8b130f2 100644
--- a/docs/zh_CN/security/flash-encryption.rst
+++ b/docs/zh_CN/security/flash-encryption.rst
@@ -413,7 +413,7 @@ flash 加密设置
 
         espefuse.py --port PORT burn_key BLOCK my_flash_encryption_key.bin KEYPURPOSE
 
-    其中 ``BLOCK`` 是 ``BLOCK_KEY0`` 和 ``BLOCK_KEY5`` 之间的空闲密钥区。而 ``KEYPURPOSE`` 是 ``AES_256_KEY_1``、``XTS_AES_256_KEY_2`` 或 ``XTS_AES_128_KEY``。关于密钥用途，请参考 `{IDF_TARGET_NAME} 技术参考手册 <{IDF_TARGET_TRM_CN_URL}>`_。
+    其中 ``BLOCK`` 是 ``BLOCK_KEY0`` 和 ``BLOCK_KEY5`` 之间的空闲密钥区。而 ``KEYPURPOSE`` 是 ``XTS_AES_256_KEY_1``、``XTS_AES_256_KEY_2`` 或 ``XTS_AES_128_KEY``。关于密钥用途，请参考 `{IDF_TARGET_NAME} 技术参考手册 <{IDF_TARGET_TRM_CN_URL}>`_。
 
     对于 AES-128（256 位密钥）- ``XTS_AES_128_KEY``: