update Cli-example.sh.

Cli-example.sh

@@ -18,12 +18,12 @@ create table student(name varchar(256),age varchar(256));
 aws rds create-db-cluster --db-cluster-identifier sample-cluster --engine aurora-mysql --engine-version 5.7.mysql_aurora.2.07.1 \
 --engine-mode serverless --scaling-configuration MinCapacity=4,MaxCapacity=32,SecondsUntilAutoPause=1000,AutoPause=true \
 --master-username admin --master-user-password xcloud1234 --db-subnet-group-name rdsgroup \
---database-name cmd--vpc-security-group-id <value>
+--database-name cmd --vpc-security-group-id <value>
 
 
 # Windows 
 aws rds create-db-cluster --db-cluster-identifier sample-cluster --engine aurora-mysql --engine-version 5.7.mysql_aurora.2.07.1 ^
 --engine-mode serverless --scaling-configuration MinCapacity=8,MaxCapacity=64,SecondsUntilAutoPause=1000,AutoPause=true ^
 --master-username admin --master-user-password xcloud1234 --db-subnet-group-name rdsgroup ^
---database-name cmd--vpc-security-group-id <value>
+--database-name cmd --vpc-security-group-id <value>