From 5067cb85d7d81937543e35225bdb682db439fe0a Mon Sep 17 00:00:00 2001
From: Ganlin Zhao <36554565+glzhao89@users.noreply.github.com>
Date: Thu, 17 Mar 2022 14:41:14 +0800
Subject: [PATCH] Update docs.md

---
 documentation20/en/12.taos-sql/docs.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/documentation20/en/12.taos-sql/docs.md b/documentation20/en/12.taos-sql/docs.md
index 2b2f5a6725..99a440162b 100755
--- a/documentation20/en/12.taos-sql/docs.md
+++ b/documentation20/en/12.taos-sql/docs.md
@@ -1569,7 +1569,7 @@ Starting from version 2.6.0.0, TDengine supports following time related function
 
     Example:
     ```mysql
-    taos> SELECT TODAY() FROM meters;
+    taos> SELECT TIMEZONE() FROM meters;
                timezone()           |
     =================================
      UTC (UTC, +0000)               |
@@ -1638,7 +1638,7 @@ Starting from version 2.6.0.0, TDengine supports following time related function
 
  - **TIMETRUNCATE**
     ```mysql
-    SELECT TIMEDIFF(ts_val | datetime_string | ts_col, time_unit) FROM { tb_name | stb_name } [WHERE clause];
+    SELECT TIMETRUNCATE(ts_val | datetime_string | ts_col, time_unit) FROM { tb_name | stb_name } [WHERE clause];
     ```
     Function: Truncate timestamp by time_unit.
 
-- 
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