diff --git a/core/profiles/demo_umami/themes/umami/umami.theme b/core/profiles/demo_umami/themes/umami/umami.theme
index 5507d3315b217435b4a034c885087e75be84d9d5..c36dabf1cc3567727c4ee52741f9f3d6a9de4fff 100644
--- a/core/profiles/demo_umami/themes/umami/umami.theme
+++ b/core/profiles/demo_umami/themes/umami/umami.theme
@@ -157,7 +157,7 @@ function umami_preprocess_image_widget(&$variables) {
  * Implements template_preprocess_links().
  *
  * This makes it so array keys of #links items are added as a class. This
- * functionality was removed in Drupal 8.1, but still neccessary in some
+ * functionality was removed in Drupal 8.1, but still necessary in some
  * instances.
  *
  * @todo remove in https://drupal.org/node/3120962
diff --git a/core/themes/bartik/bartik.theme b/core/themes/bartik/bartik.theme
index 1bbd831109b30d27a288356c83c69e5b1d240958..1fc71ea3ec5ba2c6daf4a22a707d795c33a73312 100644
--- a/core/themes/bartik/bartik.theme
+++ b/core/themes/bartik/bartik.theme
@@ -183,7 +183,7 @@ function bartik_preprocess_image_widget(&$variables) {
  * Implements template_preprocess_links().
  *
  * This makes it so array keys of #links items are added as a class. This
- * functionality was removed in Drupal 8.1, but still neccessary in some
+ * functionality was removed in Drupal 8.1, but still necessary in some
  * instances.
  *
  * @todo remove in https://drupal.org/node/3120962
diff --git a/core/themes/claro/claro.theme b/core/themes/claro/claro.theme
index bfd8348d9c856214b8b935a268462b386548cbed..a016277372e06595c4c762d37e5b9f25ab97b446 100644
--- a/core/themes/claro/claro.theme
+++ b/core/themes/claro/claro.theme
@@ -415,7 +415,7 @@ function claro_preprocess_links(&$variables) {
   }
 
   // This makes it so array keys of #links items are added as a class. This
-  // functionality was removed in Drupal 8.1, but still neccessary in some
+  // functionality was removed in Drupal 8.1, but still necessary in some
   // instances.
   // @todo remove in https://drupal.org/node/3120962
   if (!empty($variables['links'])) {
diff --git a/core/themes/seven/seven.theme b/core/themes/seven/seven.theme
index 58cd04ddba1a22b1f102bb4eeac2592d84e38093..f82c38d23294cecbc1c378e0e5ee77e59cc42d01 100644
--- a/core/themes/seven/seven.theme
+++ b/core/themes/seven/seven.theme
@@ -451,7 +451,7 @@ function seven_preprocess_update_version(array &$variables) {
  * Implements template_preprocess_links().
  *
  * This makes it so array keys of #links items are added as a class. This
- * functionality was removed in Drupal 8.1, but still neccessary in some
+ * functionality was removed in Drupal 8.1, but still necessary in some
  * instances.
  *
  * @todo remove in https://drupal.org/node/3120962