diff --git a/tool/dsviewer/dsviewer.md b/tool/dsviewer/dsviewer.md
index c902f4c..7c71793 100644
--- a/tool/dsviewer/dsviewer.md
+++ b/tool/dsviewer/dsviewer.md
@@ -20,4 +20,7 @@ Save table to a dsv/csv file. The default setups are space for delimeter, '#' fo
 Show statistics of a data column or columns. If the input file has no column names, use inbuild names `C<id>` to select the columns.
 
 #### enable column|row \<name1\> \<name2\> ...
-Enable table outputs. If the input file has no row or column names, use inbuild names `R<id>` and `C<id>` to select the rows and columns. 
\ No newline at end of file
+Enable table outputs. If the input file has no row or column names, use inbuild names `R<id>` and `C<id>` to select the rows and columns. 
+
+#### disable column|row \<name1\> \<name2\> ...
+Disable table outputs. If the input file has no row or column names, use inbuild names `R<id>` and `C<id>` to select the rows and columns. 
\ No newline at end of file