diff --git a/bin/xen-create-image b/bin/xen-create-image
index 1cfd2f7..9d0ccea 100755
--- a/bin/xen-create-image
+++ b/bin/xen-create-image
@@ -611,7 +611,7 @@ configuration from Dom0.
 Allows generalised editing of files for guests.
 
 This script works via a skeleton directory containing small sed files
-which will contain edits to be applied to an arbitary tree of files
+which will contain edits to be applied to an arbitrary tree of files
 upon the new domU.
 
 For example if we have the following sed file:
diff --git a/roles/editor b/roles/editor
index 2f7771b..67ada89 100755
--- a/roles/editor
+++ b/roles/editor
@@ -3,7 +3,7 @@
 #  Role-script for the generalised editing of files for guests.
 #
 #  This script works via a skeleton directory containing small
-# .sed files which will contain edits to be applied to an arbitary
+# .sed files which will contain edits to be applied to an arbitrary
 # tree of files upon the new domU.
 #
 #  For example if we have the following sed file: