Fix operation typo[skip travis]
# In cita 1.1.0, a interface named `setBlockInterval` was added in system contract.
# So, if you were using cita version 1.1 below and wanted to upgrade to version 1.1, this file is prepared for you.
#
-# II. How to use this bach?
+# II. How to use this bash?
#
# 1. Download the cita version 1.1 release package from https://github.com/cryptape/cita/releases
# 2. Extract the package and copy directory bin/ and scripts/ to corresponding dir under your nodes.
-# 3. Next, upgrade your node use this helper. Tap the comand below, remember to update the admin privkey
+# 3. Next, upgrade your node use this helper. Tap the command below, remember to update the admin privkey
# and node url params.
# ./scripts/upgrade/v1.0-to-v1.1.sh \
