diff --git a/lib/keystone b/lib/keystone
index 1061081a5e..749e219e67 100644
--- a/lib/keystone
+++ b/lib/keystone
@@ -350,7 +350,7 @@ function create_keystone_accounts {
     # The Member role is used by Horizon and Swift so we need to keep it:
     local member_role="member"
 
-    # Captial Member role is legacy hard coded in Horizon / Swift
+    # Capital Member role is legacy hard coded in Horizon / Swift
     # configs. Keep it around.
     get_or_create_role "Member"
 
diff --git a/openrc b/openrc
index 23c173c8a1..37724c552e 100644
--- a/openrc
+++ b/openrc
@@ -84,7 +84,7 @@ export OS_AUTH_TYPE=password
 # We currently recommend using the version 3 *identity api*.
 #
 
-# If you don't have a working .stackenv, this is the backup possition
+# If you don't have a working .stackenv, this is the backup position
 KEYSTONE_BACKUP=$SERVICE_PROTOCOL://$SERVICE_HOST:5000
 KEYSTONE_AUTH_URI=${KEYSTONE_AUTH_URI:-$KEYSTONE_BACKUP}
 
diff --git a/stack.sh b/stack.sh
index 015ee6ec43..e92418233b 100755
--- a/stack.sh
+++ b/stack.sh
@@ -30,7 +30,7 @@ unset GREP_OPTIONS
 # NOTE(sdague): why do we explicitly set locale when running stack.sh?
 #
 # Devstack is written in bash, and many functions used throughout
-# devstack process text comming off a command (like the ip command)
+# devstack process text coming off a command (like the ip command)
 # and do transforms using grep, sed, cut, awk on the strings that are
 # returned. Many of these programs are interationalized, which is
 # great for end users, but means that the strings that devstack
diff --git a/stackrc b/stackrc
index 877da82261..b03426ffa8 100644
--- a/stackrc
+++ b/stackrc
@@ -80,7 +80,7 @@ NOVA_ENABLED_APIS=osapi_compute,metadata
 # CELLSV2_SETUP - how we should configure services with cells v2
 #
 # - superconductor - this is one conductor for the api services, and
-#   one per cell managing the compute services. This is prefered
+#   one per cell managing the compute services. This is preferred
 # - singleconductor - this is one conductor for the whole deployment,
 #   this is not recommended, and will be removed in the future.
 CELLSV2_SETUP=${CELLSV2_SETUP:-"superconductor"}
@@ -117,7 +117,7 @@ fi
 # Whether or not to enable Kernel Samepage Merging (KSM) if available.
 # This allows programs that mark their memory as mergeable to share
 # memory pages if they are identical. This is particularly useful with
-# libvirt backends. This reduces memory useage at the cost of CPU overhead
+# libvirt backends. This reduces memory usage at the cost of CPU overhead
 # to scan memory. We default to enabling it because we tend to be more
 # memory constrained than CPU bound.
 ENABLE_KSM=$(trueorfalse True ENABLE_KSM)