update README.md

dabd5853 · Zack Lee · b4c68bcc · dabd5853
Commit dabd5853 authored Oct 02, 2020 by Zack Lee
--- a/emscripten/project/purr-data/README.md
+++ b/emscripten/project/purr-data/README.md
@@ -56,6 +56,9 @@ git pull
 ./emsdk install latest
 ./emsdk activate latest
 source ./emsdk_env.sh
+./emsdk update-tags
+./emsdk install tot
+./emsdk activate tot
 cd ..
 ```