diff -u b/core/modules/system/entity.api.php b/core/modules/system/entity.api.php
--- b/core/modules/system/entity.api.php
+++ b/core/modules/system/entity.api.php
@@ -836,8 +836,8 @@
  * Exposes "pseudo-field" components on content entities.
  *
  * Field UI's "Manage fields" and "Manage display" pages let users re-order
- * fields, but also non-field components. For nodes, these include the title
- * and other elements exposed by modules through hook_form_alter().
+ * fields, but also non-field components. For nodes, these include elements
+ * exposed by modules through hook_form_alter(), for instance.
  *
  * Content entities or modules that want to have their components supported
  * should expose them using this hook. The user-defined settings (weight,
@@ -890,7 +890,7 @@
 }
 
 /**
- * Alter "pseudo-field" components on fieldable entities.
+ * Alter "pseudo-field" components on content entities.
  *
  * @param array $info
  *   The array structure is identical to that of the return value of