diff --git a/devstack/settings b/devstack/settings
index 56c332d5..bbfeae9b 100644
--- a/devstack/settings
+++ b/devstack/settings
@@ -50,7 +50,7 @@ MURANO_APPS_BRANCH=${MURANO_APPS_BRANCH:-master}
 # The problem arise when Murano installed in 'devbox' mode, allowing two or more
 #   devboxes to use one common OpenStack host. In this case it's better devboxes
 #   use separated virtual hosts, to avoid conflicts between Murano services.
-# This couldn't be done using exitsting variables, so that's why this variable was added.
+# This couldn't be done using existing variables, so that's why this variable was added.
 MURANO_RABBIT_VHOST=${MURANO_RABBIT_VHOST:-''}
 
 # Settings needed for the Murano Tempest Plugin installation
diff --git a/doc/source/draft/appendix/cli_ref.rst b/doc/source/draft/appendix/cli_ref.rst
index f84054b2..5d539d9b 100644
--- a/doc/source/draft/appendix/cli_ref.rst
+++ b/doc/source/draft/appendix/cli_ref.rst
@@ -102,7 +102,7 @@ Murano optional arguments
 
 **-k, --insecure**
     Explicitly allow muranoclient to perform "insecure" SSL (https) requests.
-    The server's certificate willnot be verified against any certificate
+    The server's certificate will not be verified against any certificate
     authorities. This option should be used with caution.
 
 **--os-cacert <ca-certificate>**
diff --git a/functionaltests/pre_test_hook.sh b/functionaltests/pre_test_hook.sh
index 4027ccc6..f8b7ca74 100755
--- a/functionaltests/pre_test_hook.sh
+++ b/functionaltests/pre_test_hook.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# This script is executed inside pre_test_hook function in desvstack gate.
+# This script is executed inside pre_test_hook function in devstack gate.
 
 # Install Murano devstack integration
 source ./pre_test_hook_common.sh