fix whitespace
diff --git a/exercise.sh b/exercise.sh
index f35adef..1a812f4 100755
--- a/exercise.sh
+++ b/exercise.sh
@@ -7,11 +7,11 @@
#
-# This script exits on an error so that errors don't compound and you see
+# This script exits on an error so that errors don't compound and you see
# only the first error that occured.
set -o errexit
-# Print the commands being run so that we can see the command that triggers
+# Print the commands being run so that we can see the command that triggers
# an error. It is also useful for following allowing as the install occurs.
set -o xtrace
@@ -38,11 +38,11 @@
# With Keystone you pass the keystone password instead of an api key.
export NOVA_API_KEY=${ADMIN_PASSWORD:-secrete}
-# With the addition of Keystone, to use an openstack cloud you should
-# authenticate against keystone, which returns a **Token** and **Service
-# Catalog**. The catalog contains the endpoint for all services the user/tenant
-# has access to - including nova, glance, keystone, swift, ... We currently
-# recommend using the 2.0 *auth api*.
+# With the addition of Keystone, to use an openstack cloud you should
+# authenticate against keystone, which returns a **Token** and **Service
+# Catalog**. The catalog contains the endpoint for all services the user/tenant
+# has access to - including nova, glance, keystone, swift, ... We currently
+# recommend using the 2.0 *auth api*.
#
# *NOTE*: Using the 2.0 *auth api* does mean that compute api is 2.0. We will
# use the 1.1 *compute api*
@@ -61,7 +61,7 @@
# Get a token for clients that don't support service catalog
# ==========================================================
-# manually create a token by querying keystone (sending JSON data). Keystone
+# manually create a token by querying keystone (sending JSON data). Keystone
# returns a token and catalog of endpoints. We use python to parse the token
# and save it.
@@ -120,11 +120,11 @@
# ping it once (timeout of a second)
ping -c1 -w1 $IP || true
-# sometimes the first ping fails (10 seconds isn't enough time for the VM's
+# sometimes the first ping fails (10 seconds isn't enough time for the VM's
# network to respond?), so let's wait 5 seconds and really test ping
sleep 5
-ping -c1 -w1 $IP
+ping -c1 -w1 $IP
# allow icmp traffic
nova secgroup-add-rule $SECGROUP icmp -1 -1 0.0.0.0/0
@@ -167,5 +167,5 @@
# Delete a secgroup
nova secgroup-delete $SECGROUP
-# FIXME: validate shutdown within 5 seconds
+# FIXME: validate shutdown within 5 seconds
# (nova show $NAME returns 1 or status != ACTIVE)?