diff --git a/thirdparty/LICENSE.txt b/thirdparty/LICENSE.txt
index f3b399b8bf..7db23714ed 100644
--- a/thirdparty/LICENSE.txt
+++ b/thirdparty/LICENSE.txt
@@ -49,8 +49,10 @@ source: https://github.com/nemequ/lzo
 
 LZO is under GNU General Public License Version 2(GPL-2), which is not compatible with Apache 2.0 License.
 
-So LZO is an optional feature when building Doris from source. You can disable the LZO support by adding
-`--without-lzo` argument in `build.sh` script. 
+So LZO is an optional feature when building Doris from source. And default is disabled.
+You can also enable the LZO support by adding env variable:
+
+`WITH_LZO=1 sh build.sh`.
 
 Disable LZO support does not affect normal use of Doris.
 
@@ -60,7 +62,10 @@ source: https://github.com/mysql/mysql-server
 
 MySQL is under GNU General Public License Version 2(GPL-2), which is not compatible with Apache 2.0 License. 
 
-So MySQL is an optional feature when building Doris from source. You can disable the MySQL support by adding
-`--without-mysql` argument in `build.sh` script. 
+So MySQL is an optional feature when building Doris from source. And default is disabled.
+You can also enable the MySQL support by adding env variable:
+
+`WITH_MYSQL=1 sh build.sh`
 
 Disable MySQL support with disable the feature of visiting a MySQL table as an external table in Doris.
+But you can visit MySQL external table via ODBC.