diff --git a/doc/training-guides/basic-install-guide/keystone-scripts/keystone_basic.sh b/doc/training-guides/basic-install-guide/keystone-scripts/keystone_basic.sh
index 05ab9966..dad408db 100644
--- a/doc/training-guides/basic-install-guide/keystone-scripts/keystone_basic.sh
+++ b/doc/training-guides/basic-install-guide/keystone-scripts/keystone_basic.sh
@@ -17,7 +17,7 @@ export SERVICE_ENDPOINT="http://${HOST_IP}:35357/v2.0"
 SERVICE_TENANT_NAME=${SERVICE_TENANT_NAME:-service}
 
 get_id () {
-    echo `$@ | awk '/ id / { print $4 }'`
+    echo $($@ | awk '/ id / { print $4 }')
 }
 
 # Tenants
diff --git a/doc/training-guides/basic-install-guide/keystone-scripts/keystone_endpoints_basic.sh b/doc/training-guides/basic-install-guide/keystone-scripts/keystone_endpoints_basic.sh
index 28fc5b56..0170f2f8 100644
--- a/doc/training-guides/basic-install-guide/keystone-scripts/keystone_endpoints_basic.sh
+++ b/doc/training-guides/basic-install-guide/keystone-scripts/keystone_endpoints_basic.sh
@@ -128,6 +128,6 @@ create_endpoint () {
 }
 
 for i in compute volume image object-store identity ec2 network; do
-  id=`mysql -h "$MYSQL_HOST" -u "$MYSQL_USER" -p"$MYSQL_PASSWORD" "$MYSQL_DATABASE" -ss -e "SELECT id FROM service WHERE type='"$i"';"` || exit 1
+  id=$(mysql -h "$MYSQL_HOST" -u "$MYSQL_USER" -p"$MYSQL_PASSWORD" "$MYSQL_DATABASE" -ss -e "SELECT id FROM service WHERE type='"$i"';") || exit 1
   create_endpoint $i $id
 done