diff --git a/core/modules/book/book.permissions.yml b/core/modules/book/book.permissions.yml
index fa53ace..58c5ff0 100644
--- a/core/modules/book/book.permissions.yml
+++ b/core/modules/book/book.permissions.yml
@@ -5,5 +5,5 @@
 'add content to books':
   title: 'Add content and child pages to books'
 'access printer-friendly version':
-  title: 'View printer-friendly books',
+  title: 'View printer-friendly books'
   description: 'View a book page and all of its sub-pages as a single document for ease of printing. Can be performance heavy.'
diff --git a/core/modules/content_translation/content_translation.permissions.yml b/core/modules/content_translation/content_translation.permissions.yml
index 8396425..1fc32ac 100644
--- a/core/modules/content_translation/content_translation.permissions.yml
+++ b/core/modules/content_translation/content_translation.permissions.yml
@@ -1,5 +1,5 @@
 'administer content translation':
-  title: 'Administer translation settings',
+  title: 'Administer translation settings'
   description: 'Configure translatability of entities and fields.'
 'create content translations':
   title: 'Create translations'
diff --git a/core/modules/filter/filter.module b/core/modules/filter/filter.module
index c1fd187..1c3ebcf 100644
--- a/core/modules/filter/filter.module
+++ b/core/modules/filter/filter.module
@@ -228,6 +228,7 @@ function filter_pre_render_text(array $element) {
  * Implements hook_permission().
  */
 function filter_permission() {
+  $perms = [];
   // Generate permissions for each text format. Warn the administrator that any
   // of them are potentially unsafe.
   foreach (filter_formats() as $format) {
diff --git a/core/modules/user/user.permissions.yml b/core/modules/user/user.permissions.yml
index 724bf04..4b0ad30 100644
--- a/core/modules/user/user.permissions.yml
+++ b/core/modules/user/user.permissions.yml
@@ -1,5 +1,5 @@
-'administer permissions':
-  title: 'Administer permissions'
+administer permissions:
+  title: Administer permissions
   'restrict access': true
 'administer account settings':
   title: 'Administer account settings'