diff --git a/docs/en/docs/SecHarden/authentication-and-authorization.md b/docs/en/docs/SecHarden/authentication-and-authorization.md
index 256b71330b51988a0b4022d951f9b9d6efe01e9c..f299b20fb8f99825857ab4800ad5fb630a50205a 100644
--- a/docs/en/docs/SecHarden/authentication-and-authorization.md
+++ b/docs/en/docs/SecHarden/authentication-and-authorization.md
@@ -106,7 +106,7 @@ When starting the system, you can modify the startup parameters of the system on
 1. Run the  **grub2-mkpasswd-pbkdf2**  command to generate an encrypted password.
 
     >![](public_sys-resources/icon-note.gif) **NOTE:**
-    >SHA-512 is used as the GRUB2 encryption algorithm.  
+    >GRUB2 encryption algorithm uses PBKDF2。 
 
     ```shell
     $ grub2-mkpasswd-pbkdf2