[flink] branch release-1.12 updated: [hotfix][table][docs] Fix table systemFunction lag description.

[azagrebin]

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azagrebin pushed a commit to branch release-1.12
in repository https://gitbox.apache.org/repos/asf/flink.git


The following commit(s) were added to refs/heads/release-1.12 by this push:
     new 60b38a4  [hotfix][table][docs] Fix table systemFunction lag 
description.
60b38a4 is described below

commit 60b38a47d3e071c663041ef563c7c0718f40afc9
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 e64f539..8b6f44d 100644
--- a/docs/dev/table/functions/systemFunctions.md
+++ b/docs/dev/table/functions/systemFunctions.md
@@ -5768,7 +5768,7 @@ LEAD(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 6c69f21..dd85ea5 100644
--- a/docs/dev/table/functions/systemFunctions.zh.md
+++ b/docs/dev/table/functions/systemFunctions.zh.md
@@ -5767,7 +5767,7 @@ LEAD(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>