diff --git a/src/Controller/OrganisationMembersController.php b/src/Controller/OrganisationMembersController.php
index e23388e..f41017b 100644
--- a/src/Controller/OrganisationMembersController.php
+++ b/src/Controller/OrganisationMembersController.php
@@ -433,7 +433,7 @@ class OrganisationMembersController extends SimpleController
         }
 
         // Access-controlled page
-        if (!$authorizer->checkAccess($currentUser, 'promote_organistion_member', [
+        if (!$authorizer->checkAccess($currentUser, 'promote_organisation_member', [
             'organisation' => $organisation,
             'user'         => $user,
         ])) {
@@ -530,7 +530,7 @@ class OrganisationMembersController extends SimpleController
         }
 
         // Access-controlled page
-        if (!$authorizer->checkAccess($currentUser, 'promote_organistion_member', [
+        if (!$authorizer->checkAccess($currentUser, 'promote_organisation_member', [
             'organisation' => $organisation,
             'user'         => $user,
         ])) {
@@ -1193,7 +1193,7 @@ class OrganisationMembersController extends SimpleController
         }
 
         // Access-controlled page
-        if (!$authorizer->checkAccess($currentUser, 'promote_organistion_member', [
+        if (!$authorizer->checkAccess($currentUser, 'promote_organisation_member', [
             'organisation' => $organisation,
             'user'         => $user,
         ])) {
@@ -1242,7 +1242,7 @@ class OrganisationMembersController extends SimpleController
         }
 
         // Access-controlled page
-        if (!$authorizer->checkAccess($currentUser, 'promote_organistion_member', [
+        if (!$authorizer->checkAccess($currentUser, 'promote_organisation_member', [
             'organisation' => $organisation,
             'user'         => $user,
         ])) {
diff --git a/src/Database/Seeds/OrganisationPermissions.php b/src/Database/Seeds/OrganisationPermissions.php
index ebf3fc8..04eb56d 100644
--- a/src/Database/Seeds/OrganisationPermissions.php
+++ b/src/Database/Seeds/OrganisationPermissions.php
@@ -200,16 +200,16 @@ class OrganisationPermissions extends BaseSeed
                 'description' => 'View certain properties of any user in their organisation.',
             ]),
 
-            'promote_organistion_member' => new Permission([
-                'slug'        => 'promote_organistion_member',
+            'promote_organisation_member' => new Permission([
+                'slug'        => 'promote_organisation_member',
                 'name'        => 'Promote organisation member/Demote organisation administrator',
                 'conditions'  => "is_organisation_member(user.id,organisation.id) || is_organisation_admin(user.id,organisation.id)",
                 'description' => 'Promote an organisation member to administrator status or demote and administrator to member status.',
             ]),
-            'promote_organistion_member_own' => new Permission([
-                'slug'        => 'promote_organistion_member',
+            'promote_organisation_member_own' => new Permission([
+                'slug'        => 'promote_organisation_member',
                 'name'        => 'Promote organisation member/Demote organisation administrator',
-                'conditions'  => "is_organisation_admin(self.id) && (is_organisation_member(user.id,organisation.id) || is_organisation_admin(user.id,organisation.id))",
+                'conditions'  => "is_organisation_admin(self.id,organisation.id) && (is_organisation_member(user.id,organisation.id) || is_organisation_admin(user.id,organisation.id))",
                 'description' => 'Promote an organisation member from your own organisation to administrator status or demote and administrator to member status.',
             ]),
         ];
@@ -274,7 +274,7 @@ class OrganisationPermissions extends BaseSeed
                 $permissions['view_org_user_field_own']->id,
                 $permissions['update_org_user_field_own']->id,
                 $permissions['accept_organisation_join_request_own']->id,
-                $permissions['promote_organistion_member_own']->id,
+                $permissions['promote_organisation_member_own']->id,
 
                 $permissions['view_organisation_field_own']->id,
                 $permissions['update_organisation_field_own']->id,
@@ -282,7 +282,7 @@ class OrganisationPermissions extends BaseSeed
                 $permissions['accept_organisation_join_request']->id,
                 $permissions['update_org_user_field']->id,
                 $permissions['view_org_user_field']->id,
-                $permissions['promote_organistion_member']->id,
+                $permissions['promote_organisation_member']->id,
 
                 $permissions['uri_organisation_own']->id,
                 $permissions['uri_organisations']->id,
@@ -318,7 +318,7 @@ class OrganisationPermissions extends BaseSeed
                 $permissions['view_org_user_field_own']->id,
                 $permissions['update_org_user_field_own']->id,
                 $permissions['accept_organisation_join_request_own']->id,
-                $permissions['promote_organistion_member_own']->id,
+                $permissions['promote_organisation_member_own']->id,
                 
                 $permissions['view_organisation_field_own']->id,
                 $permissions['update_organisation_field_own']->id,
@@ -326,7 +326,7 @@ class OrganisationPermissions extends BaseSeed
                 $permissions['accept_organisation_join_request']->id,
                 $permissions['update_org_user_field']->id,
                 $permissions['view_org_user_field']->id,
-                $permissions['promote_organistion_member']->id,
+                $permissions['promote_organisation_member']->id,
 
                 $permissions['uri_organisation_own']->id,
                 $permissions['uri_organisations']->id,
@@ -358,7 +358,7 @@ class OrganisationPermissions extends BaseSeed
                 $permissions['view_org_user_field_own']->id,
                 $permissions['update_org_user_field_own']->id,
                 $permissions['accept_organisation_join_request_own']->id,
-                $permissions['promote_organistion_member_own']->id,
+                $permissions['promote_organisation_member_own']->id,
                 
                 $permissions['view_organisation_field_own']->id,
                 $permissions['update_organisation_field_own']->id,