diff --git a/build.sh b/build.sh
index b309b8b..c10f9dd 100755
--- a/build.sh
+++ b/build.sh
@@ -1,3 +1,3 @@
 # To build the image from Dockerfile, use this command:
-#docker build -t="dliu/ubuntu-gcc-valgrind" .
+docker build -t="dliu/ubuntu-gcc-valgrind" .