diff --git a/linux/system/banner.yml b/linux/system/banner.yml
index 173a044..55b417f 100644
--- a/linux/system/banner.yml
+++ b/linux/system/banner.yml
@@ -8,9 +8,9 @@
         contents: |
           =================================== WARNING ====================================
           You have accessed a computer managed by ${_param:banner_company_name}.
-          You are required to have authorisation from ${_param:banner_company_name}
+          You are required to have authorization from ${_param:banner_company_name}
           before you proceed and you are strictly limited to use set out within that
-          authorisation. Unauthorised access to or misuse of this system is prohibited
+          authorization. Unauthorized access to or misuse of this system is prohibited
           and constitutes an offence under the Computer Misuse Act 1990.
           If you disclose any information obtained through this system without authority
           ${_param:banner_company_name} may take legal action against you.
diff --git a/linux/system/motd/static.yml b/linux/system/motd/static.yml
index c0e23c0..831a84e 100644
--- a/linux/system/motd/static.yml
+++ b/linux/system/motd/static.yml
@@ -6,9 +6,9 @@
       motd: |
         =================================== WARNING ====================================
         You have accessed a computer managed by ${_param:motd_company_name}.
-        You are required to have authorisation from ${_param:motd_company_name}
+        You are required to have authorization from ${_param:motd_company_name}
         before you proceed and you are strictly limited to use set out within that
-        authorisation.  Unauthorised access to or misuse of this system is prohibited
+        authorization.  Unauthorized access to or misuse of this system is prohibited
         and constitutes an offence under the Computer Misuse Act 1990.
         If you disclose  any information obtained through this system without
         authority ${_param:motd_company_name} may take legal action against you.