diff --git a/lib/neutron-legacy b/lib/neutron-legacy
index c244e5470a..a38b1c1d7e 100644
--- a/lib/neutron-legacy
+++ b/lib/neutron-legacy
@@ -256,7 +256,7 @@ ENABLE_TENANT_TUNNELS=${ENABLE_TENANT_TUNNELS:-True}
 
 # If using GRE tunnels for tenant networks, specify the range of
 # tunnel IDs from which tenant networks are allocated. Can be
-# overriden in ``localrc`` in necesssary.
+# overridden in ``localrc`` in necessary.
 TENANT_TUNNEL_RANGES=${TENANT_TUNNEL_RANGES:-1:1000}
 
 # To use VLANs for tenant networks, set to True in localrc. VLANs
@@ -537,7 +537,7 @@ function create_neutron_initial_network {
 
     if is_provider_network; then
         die_if_not_set $LINENO PHYSICAL_NETWORK "You must specify the PHYSICAL_NETWORK"
-        die_if_not_set $LINENO PROVIDER_NETWORK_TYPE "You must specifiy the PROVIDER_NETWORK_TYPE"
+        die_if_not_set $LINENO PROVIDER_NETWORK_TYPE "You must specify the PROVIDER_NETWORK_TYPE"
         NET_ID=$(neutron net-create $PHYSICAL_NETWORK --tenant_id $TENANT_ID --provider:network_type $PROVIDER_NETWORK_TYPE --provider:physical_network "$PHYSICAL_NETWORK" ${SEGMENTATION_ID:+--provider:segmentation_id $SEGMENTATION_ID} --shared | grep ' id ' | get_field 2)
         die_if_not_set $LINENO NET_ID "Failure creating NET_ID for $PHYSICAL_NETWORK $TENANT_ID"
 
@@ -1123,7 +1123,7 @@ function _configure_neutron_service {
     iniset $NEUTRON_CONF DEFAULT auth_strategy $Q_AUTH_STRATEGY
     _neutron_setup_keystone $NEUTRON_CONF keystone_authtoken
 
-    # Configuration for neutron notifations to nova.
+    # Configuration for neutron notifications to nova.
     iniset $NEUTRON_CONF DEFAULT notify_nova_on_port_status_changes $Q_NOTIFY_NOVA_PORT_STATUS_CHANGES
     iniset $NEUTRON_CONF DEFAULT notify_nova_on_port_data_changes $Q_NOTIFY_NOVA_PORT_DATA_CHANGES
 
diff --git a/lib/rpc_backend b/lib/rpc_backend
index 03eacd8674..298dcb6e5f 100644
--- a/lib/rpc_backend
+++ b/lib/rpc_backend
@@ -58,7 +58,7 @@ function restart_rpc_backend {
         # NOTE(bnemec): Retry initial rabbitmq configuration to deal with
         # the fact that sometimes it fails to start properly.
         # Reference: https://bugzilla.redhat.com/show_bug.cgi?id=1144100
-        # NOTE(tonyb): Extend the orginal retry logic to only restart rabbitmq
+        # NOTE(tonyb): Extend the original retry logic to only restart rabbitmq
         # every second time around the loop.
         # See: https://bugs.launchpad.net/devstack/+bug/1449056 for details on
         # why this is needed.  This can bee seen on vivid and Debian unstable
@@ -106,7 +106,7 @@ function get_transport_url {
     fi
 }
 
-# iniset cofiguration
+# iniset configuration
 function iniset_rpc_backend {
     local package=$1
     local file=$2
diff --git a/lib/stack b/lib/stack
index 47e8ce2a22..7d98604b82 100644
--- a/lib/stack
+++ b/lib/stack
@@ -14,7 +14,7 @@
 # Functions
 # ---------
 
-# Generic service install handles venv creation if confgured for service
+# Generic service install handles venv creation if configured for service
 # stack_install_service service
 function stack_install_service {
     local service=$1
diff --git a/lib/swift b/lib/swift
index 3a8e80dd44..634d6ccb35 100644
--- a/lib/swift
+++ b/lib/swift
@@ -123,13 +123,13 @@ SWIFT_REPLICAS_SEQ=$(seq ${SWIFT_REPLICAS})
 # trace through the logs when looking for its use.
 SWIFT_LOG_TOKEN_LENGTH=${SWIFT_LOG_TOKEN_LENGTH:-12}
 
-# Set ``SWIFT_MAX_HEADER_SIZE`` to configure the maximun length of headers in
+# Set ``SWIFT_MAX_HEADER_SIZE`` to configure the maximum length of headers in
 # Swift API
 SWIFT_MAX_HEADER_SIZE=${SWIFT_MAX_HEADER_SIZE:-16384}
 
 # Set ``OBJECT_PORT_BASE``, ``CONTAINER_PORT_BASE``, ``ACCOUNT_PORT_BASE``
-# Port bases used in port number calclution for the service "nodes"
-# The specified port number will be used, the additinal ports calculated by
+# Port bases used in port number calculation for the service "nodes"
+# The specified port number will be used, the additional ports calculated by
 # base_port + node_num * 10
 OBJECT_PORT_BASE=${OBJECT_PORT_BASE:-6613}
 CONTAINER_PORT_BASE=${CONTAINER_PORT_BASE:-6611}
diff --git a/stack.sh b/stack.sh
index 25c49c5709..d3d3fb2f60 100755
--- a/stack.sh
+++ b/stack.sh
@@ -926,8 +926,8 @@ fi
 restart_rpc_backend
 
 
-# Export Certicate Authority Bundle
-# ---------------------------------
+# Export Certificate Authority Bundle
+# -----------------------------------
 
 # If certificates were used and written to the SSL bundle file then these
 # should be exported so clients can validate their connections.