diff --git a/core/modules/migrate/src/Plugin/migrate/process/SubProcess.php b/core/modules/migrate/src/Plugin/migrate/process/SubProcess.php
index f37664f..484def6 100644
--- a/core/modules/migrate/src/Plugin/migrate/process/SubProcess.php
+++ b/core/modules/migrate/src/Plugin/migrate/process/SubProcess.php
@@ -21,7 +21,7 @@
  * Example 1:
  *
  * This example demonstrates how migration_lookup process plugin can be applied
- * for the following source data.
+ * on the following source data.
  * @code
  * source: Array
  * (
@@ -68,7 +68,7 @@
  * Drupal 6 filter formats contain a list of filters belonging to that format
  * identified by a numeric delta. A delta of 1 indicates automatic linebreaks,
  * delta of 2 indicates the URL filter and so on. This example demonstrates how
- * static_map process plugin can be applied for the following source data.
+ * static_map process plugin can be applied on the following source data.
  * @code
  * source: Array
  * (
@@ -117,7 +117,7 @@
  *             0: php_code
  * @endcode
  * The example above means that we take each array element ([0], [1], etc.) from
- * the source filters field and apply the static_map plugin to it. Let's have a
+ * the source filters field and apply the static_map plugin on it. Let's have a
  * closer look at the first array at index 0:
  * @code
  * Array