diff -u b/core/modules/node/templates/node.html.twig b/core/modules/node/templates/node.html.twig
--- b/core/modules/node/templates/node.html.twig
+++ b/core/modules/node/templates/node.html.twig
@@ -29,7 +29,7 @@
  *   The attributes.class element may contain one or more of the following
  *   classes:
  *   - node: The current template type (also known as a "theming hook").
- *   - node--type-[type]: The current node type. For example, if the node is a
+ *   - node--type-[type]: The current node type. For example, if the node is an
  *     "Article" it would result in "node--type-article". Note that the machine
  *     name will often be in a short form of the human readable label.
  *   - node--view-mode-[view_mode]: The View Mode of the node; for example, a
diff -u b/core/themes/bartik/templates/node.html.twig b/core/themes/bartik/templates/node.html.twig
--- b/core/themes/bartik/templates/node.html.twig
+++ b/core/themes/bartik/templates/node.html.twig
@@ -29,7 +29,7 @@
  *   The attributes.class element may contain one or more of the following
  *   classes:
  *   - node: The current template type (also known as a "theming hook").
- *   - node--type-[type]: The current node type. For example, if the node is a
+ *   - node--type-[type]: The current node type. For example, if the node is an
  *     "Article" it would result in "node--type-article". Note that the machine
  *     name will often be in a short form of the human readable label.
  *   - node--view-mode-[view_mode]: The View Mode of the node; for example, a