diff --git a/core/themes/engines/twig/twig.engine b/core/themes/engines/twig/twig.engine
index e0cfcc2b31f7baad2d211743986696cc321d18ff..c859b65dc68722d50379f3365aba54b78d3d8bf4 100644
--- a/core/themes/engines/twig/twig.engine
+++ b/core/themes/engines/twig/twig.engine
@@ -156,7 +156,7 @@ function twig_render_var($arg) {
  * Removes child elements from a copy of the original array.
  *
  * Creates a copy of the renderable array and removes child elements by key
- * specified throught filter's arguments. The copy can be printed without these
+ * specified through filter's arguments. The copy can be printed without these
  * elements. The original renderable array is still available and can be used
  * to print child elements in their entirety in the twig template.
  *
diff --git a/core/themes/seven/css/theme/appearance-page.css b/core/themes/seven/css/theme/appearance-page.css
index 0b6f364477c3c88dc6aa11e2c2ecb8a0a61ccadd..2b3dca3fe14d01a177123da306f02641d2b0026d 100644
--- a/core/themes/seven/css/theme/appearance-page.css
+++ b/core/themes/seven/css/theme/appearance-page.css
@@ -1,5 +1,5 @@
 /**
- * Apearance page.
+ * Appearance page.
  */
 #system-themes-page h2 {
   font-weight: normal;
diff --git a/core/themes/seven/js/nav-tabs.js b/core/themes/seven/js/nav-tabs.js
index 071e60cb0067526798d1f3b36871669fb3a8137c..4c838b16c1d4f581c826d3069332bb0a773bd7b0 100644
--- a/core/themes/seven/js/nav-tabs.js
+++ b/core/themes/seven/js/nav-tabs.js
@@ -4,7 +4,7 @@
  * Utilizes jquery.intrinsic.js to calculate if the tabs are larger than their
  * container and toggles the 'is-horizontal' class.
  *
- * This also supports collapsible navigable is the 'is-collasible' class is
+ * This also supports collapsible navigable is the 'is-collapsible' class is
  * added to the main element, and a target element is included.
  */
 (function ($, Drupal) {
diff --git a/core/themes/seven/seven.theme b/core/themes/seven/seven.theme
index f2281cbc47d6193a2495374b2933961003ad1049..ccd1c92bc1f4f47785d1c7189f5ecebe24f60d73 100644
--- a/core/themes/seven/seven.theme
+++ b/core/themes/seven/seven.theme
@@ -39,7 +39,7 @@ function seven_preprocess_page(&$variables) {
 /**
  * Implements hook_pre_render_HOOK() for menu-local-tasks templates.
  *
- * Use preprocess hook to set #attached to child elemnts
+ * Use preprocess hook to set #attached to child elements
  * because they will be processed by Twig and drupal_render will
  * be invoked.
  */