diff --git a/core/modules/migrate/src/Plugin/migrate/process/StaticMap.php b/core/modules/migrate/src/Plugin/migrate/process/StaticMap.php
index ed3eb3f..683b4fe 100644
--- a/core/modules/migrate/src/Plugin/migrate/process/StaticMap.php
+++ b/core/modules/migrate/src/Plugin/migrate/process/StaticMap.php
@@ -12,16 +12,17 @@
 /**
  * Changes the source value based on a static lookup map.
  *
- * The static_map source plugin allows looking up a value based on a map
- * specified in the configuration.
+ * Maps the input value to another value using an associative array specified in
+ * the configuration.
  *
  * Available configuration keys:
  * - source: The input value - either a scalar or an array.
- * - map: An array (of 1 or more dimensions) that identifies the link between
+ * - map: An array (of 1 or more dimensions) that identifies the mapping between
  *   source values and destination values.
  * - bypass: (optional) Whether the plugin should proceed when the source is not
  *   found in the map array. Defaults to FALSE.
- *   - TRUE: Do not throw an exception, return the source value.
+ *   - TRUE: Return the unmodified input value, or another default value, if one
+ *     is specified.
  *   - FALSE: Throw a MigrateSkipRowException.
  * - default_value: (optional) The value to return if the source is not found in
  *   the map array.
@@ -62,13 +63,10 @@
  * @endcode
  *
  * If the value of the source properties module and delta are "filter" and "2"
- * respectively, then the value of the destination id will be "filter_url". By
- * default, if a value is not found in the map, an exception is thrown. This is
- * desirable in the above example. When static_map is used to just rename a few
- * things and leave the others, a "bypass: true" option can be added. In this
- * case, the source value is used unchanged.
- *
- * Also, a default_value can be provided.
+ * respectively, then the returned value will be "filter_url". By default, if a
+ * value is not found in the map, an exception is thrown. When static_map is
+ * used to just rename a few things and leave the others, a "bypass: true"
+ * option can be added. In this case, the source value is used unchanged.
  *
  * @code
  * process:
@@ -94,23 +92,7 @@
 class StaticMap extends ProcessPluginBase {
 
   /**
-   * Performs the associated process.
-   *
-   * @param mixed $value
-   *   The input value.
-   * @param \Drupal\migrate\MigrateExecutableInterface $migrate_executable
-   *   The migration in which this process is being executed.
-   * @param \Drupal\migrate\Row $row
-   *   The row from the source to process.
-   * @param string $destination_property
-   *   The destination property currently worked on. This is only used together
-   *   with the $row above.
-   *
-   * @return string
-   *   The sub string of $value.
-   *
-   * @throws \Drupal\migrate\MigrateException
-   * @throws \Drupal\migrate\MigrateSkipRowException
+   * {@inheritdoc}
    */
   public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property) {
     $new_value = $value;