chore: fix update msg (#10593)

ct/nginxproxymanager.sh

@@ -149,7 +149,7 @@ function update_script() {
 }
 EOF
   fi
-  cd /app || exit
+  cd /app 
   $STD yarn install --network-timeout 600000
   msg_ok "Initialized Backend"
 
@@ -188,7 +188,7 @@ start
 build_container
 description
 
-msg_ok "Completed Successfully!\n"
+msg_ok "Completed successfully!\n"
 echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
 echo -e "${INFO}${YW} Access it using the following URL:${CL}"
 echo -e "${TAB}${GATEWAY}${BGN}http://${IP}:81${CL}"