diff --git a/security/keys/trusted-keys/trusted_tpm2.c b/security/keys/trusted-keys/trusted_tpm2.c
index 2b2c8eb258d5..bc700f85f80b 100644
--- a/security/keys/trusted-keys/trusted_tpm2.c
+++ b/security/keys/trusted-keys/trusted_tpm2.c
@@ -186,7 +186,7 @@ int tpm2_key_priv(void *context, size_t hdrlen,
 }
 
 /**
- * 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