diff --git a/security/keys/trusted-keys/trusted_tpm2.c b/security/keys/trusted-keys/trusted_tpm2.c
index 4c19d3abddbe..65f68856414a 100644
--- a/security/keys/trusted-keys/trusted_tpm2.c
+++ b/security/keys/trusted-keys/trusted_tpm2.c
@@ -21,7 +21,7 @@ static struct tpm2_hash tpm2_hash_map[] = {
 };
 
 /**
- * tpm_buf_append_auth() - append TPMS_AUTH_COMMAND to the buffer.
+ * tpm2_buf_append_auth() - append TPMS_AUTH_COMMAND to the buffer.
  *
  * @buf: an allocated tpm_buf instance
  * @session_handle: session handle