diff -u b/core/modules/migrate/src/Plugin/migrate/process/Explode.php b/core/modules/migrate/src/Plugin/migrate/process/Explode.php
--- b/core/modules/migrate/src/Plugin/migrate/process/Explode.php
+++ b/core/modules/migrate/src/Plugin/migrate/process/Explode.php
@@ -13,10 +13,6 @@
  * This plugin creates an array of strings by splitting the source parameter on
  * boundaries formed by the delimiter.
  *
- * One use case is for building the theme and color configuration
- * setting name from the Drupal 7 variable name. For example, to convert
- * theme_bartik_settings to bartik.settings.
- *
  * Available configuration keys:
  *   - source: The source string.
  *   - limit: (optional)
@@ -31,17 +27,26 @@
  *
  * @code
  * process:
- *   new_text_field:
+ *   bar:
  *     plugin: explode
- *       source: some_text_field
- *       limit: 100
- *       delimiter: _
+ *       source: foo
+ *       delimiter: /
  * @endcode
  *
- * If limit is > PHP_INT_MAX it will be set to PHP_INT_MAX.
+ * If foo is "node/1", then bar will be ['node', '1']. The PHP equivalent of
+ * this would be: $bar = explode('/', $foo)
+ *
+ * @code
+ * process:
+ *   bar:
+ *     plugin: explode
+ *       source: foo
+ *       limit: 1
+ *       delimiter: /
+ * @endcode
  *
- * The PHP equivalent of this would be:
- * $destination['new_text_field'] = explode('_', $source['some_text_field'], 100)
+ * If foo is "node/1/edit", then bar will be ['node', '1/edit']. The PHP
+ * equivalent of this would be: $bar = explode('/', $foo)
  *
  * @see \Drupal\migrate\Plugin\MigrateProcessInterface
  *