diff --git a/deployment/step-1-root-ca.sh b/deployment/step-1-root-ca.sh
index 61bbe5d..b7e89a4 100644
--- a/deployment/step-1-root-ca.sh
+++ b/deployment/step-1-root-ca.sh
@@ -1,5 +1,7 @@
 #! /bin/bash
 
+# file name and password to a safebag
+
 # compile and install ndncert
 git clone https://github.com/Zhiyi-Zhang/ndncert.git
 cd ndncert
@@ -7,18 +9,18 @@
 ./waf configure
 sudo ./waf install
 sudo cp ./build/systemd/ndncert-ca.service /etc/systemd/system/
-sudo chmod 644 /etc/systemd/system/ndncert-server.service
+sudo chmod 644 /etc/systemd/system/ndncert-ca.service
 
 # prepare the CA root key
 sudo mkdir /var/lib/ndncert-ca
 sudo chown ndn /var/lib/ndncert-ca
-sudo HOME=/var/lib/ndncert -u ndn ndnsec-keygen /ndn
+sudo HOME=/var/lib/ndncert-ca -u ndn ndnsec-keygen /ndn
 
 # prepare CA configuration file
 echo -e "{\n\"ca-prefix\": \"/ndn\",\n\"ca-info\": \"NDN testbed root CA\",\n\"max-validity-period\": \"1296000\",\n\"max-suffix-length\": \"2\",\n\"supported-challenges\":\n[\n{ \"challenge\": \"pin\" }\n]\n}" > /usr/local/etc/ndncert/ca.conf
 
 # run the CA
-sudo systemctl start ndncert-server
+sudo systemctl start ndncert-ca
 sleep(2)
 
 # check the status to make sure everything is correct