diff --git a/core/lib/Drupal/Core/Config/Config.php b/core/lib/Drupal/Core/Config/Config.php
index 378aa43..79f9bbb 100644
--- a/core/lib/Drupal/Core/Config/Config.php
+++ b/core/lib/Drupal/Core/Config/Config.php
@@ -71,7 +71,7 @@ class Config {
   protected $context;
 
   /**
-   * Whether the config object has already been loaded.
+   * Whether the configuration object has already been loaded.
    *
    * @var bool
    */
@@ -139,6 +139,9 @@ public function getName() {
   /**
    * Sets the name of this configuration object.
    *
+   * @param string $name
+   *  The name of the configuration object.
+   *
    * @return \Drupal\Core\Config\Config
    *   The configuration object.
    */
@@ -182,7 +185,7 @@ public static function validateName($name) {
    * Returns whether this configuration object is new.
    *
    * @return bool
-   *   TRUE if this config object does not exist in storage.
+   *   TRUE if this configuration object does not exist in storage.
    */
   public function isNew() {
     if (!$this->isLoaded) {
@@ -192,7 +195,7 @@ public function isNew() {
   }
 
   /**
-   * Gets data from this config object.
+   * Gets data from this configuration object.
    *
    * @param string $key
    *   A string that maps to a key within the configuration data.
@@ -436,7 +439,11 @@ public function getStorage() {
   }
 
   /**
-   * Dispatches a config event.
+   * Dispatches a configuration event.
+   *
+   * @param string $config_event_name
+   *   The configuration event name.
+   *
    */
   protected function notify($config_event_name) {
     $this->context->notify($config_event_name, $this);
@@ -455,7 +462,7 @@ public function merge(array $data_to_merge) {
     if (!$this->isLoaded) {
       $this->load();
     }
-    // Preserve integer keys so that config keys are not changed.
+    // Preserve integer keys so that configuration keys are not changed.
     $this->replaceData(NestedArray::mergeDeepArray(array($this->data, $data_to_merge), TRUE));
     return $this;
   }