[flink] branch release-1.11 updated: [hotfix][table][docs] Fix table systemFunction lag description.

[azagrebin]

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azagrebin pushed a commit to branch release-1.11
in repository https://gitbox.apache.org/repos/asf/flink.git


The following commit(s) were added to refs/heads/release-1.11 by this push:
     new f711470  [hotfix][table][docs] Fix table systemFunction lag 
description.
f711470 is described below

commit f711470f910941142a3c32d7e68659bf4ec2b4f4
Author: leiqiang <tsiang...@gmail.com>
AuthorDate: Wed Nov 18 17:27:59 2020 +0800

    [hotfix][table][docs] Fix table systemFunction lag description.
    
    This closes #14115.
---
 docs/dev/table/functions/systemFunctions.md    | 2 +-
 docs/dev/table/functions/systemFunctions.zh.md | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/dev/table/functions/systemFunctions.md 
b/docs/dev/table/functions/systemFunctions.md
index 99ecda9..a18ae35 100644
--- a/docs/dev/table/functions/systemFunctions.md
+++ b/docs/dev/table/functions/systemFunctions.md
@@ -5759,7 +5759,7 @@ LAG(expression [, offset] [, default])
 {% endhighlight %}
       </td>
       <td>
-        <p>Returns the value of <i>expression</i> at the <i>offset</i>th row 
after the current row in the window. The default value of <i>offset</i> is 1 
and the default value of <i>default</i> is NULL.</p>
+        <p>Returns the value of <i>expression</i> at the <i>offset</i>th row 
before the current row in the window. The default value of <i>offset</i> is 1 
and the default value of <i>default</i> is NULL.</p>
         <p>Only supported in blink planner.</p>
       </td>
     </tr>
diff --git a/docs/dev/table/functions/systemFunctions.zh.md 
b/docs/dev/table/functions/systemFunctions.zh.md
index b1165ac..952101b 100644
--- a/docs/dev/table/functions/systemFunctions.zh.md
+++ b/docs/dev/table/functions/systemFunctions.zh.md
@@ -5758,7 +5758,7 @@ LAG(expression [, offset] [, default])
 {% endhighlight %}
       </td>
       <td>
-        <p>Returns the value of <i>expression</i> at the <i>offset</i>th row 
after the current row in the window. The default value of <i>offset</i> is 1 
and the default value of <i>default</i> is NULL.</p>
+        <p>Returns the value of <i>expression</i> at the <i>offset</i>th row 
before the current row in the window. The default value of <i>offset</i> is 1 
and the default value of <i>default</i> is NULL.</p>
         <p>Only supported in blink planner.</p>
       </td>
     </tr>