diff --git a/core/lib/Drupal/Core/Config/ConfigBase.php b/core/lib/Drupal/Core/Config/ConfigBase.php
index 67bcc61..1df19aa 100644
--- a/core/lib/Drupal/Core/Config/ConfigBase.php
+++ b/core/lib/Drupal/Core/Config/ConfigBase.php
@@ -17,7 +17,7 @@
  * Encapsulates all capabilities needed for runtime configuration handling for
  * a specific configuration name. Extend from this class for non-storable
  * configuration where the configuration API is desired but storage is not
- * possible. For example, if the data is derived runtime.
+ * possible. For example, if the data is derived at runtime.
  *
  * @see \Drupal\Core\Config\StorableConfigBase
  * @see \Drupal\Core\Theme\ThemeSettings
diff --git a/core/lib/Drupal/Core/Theme/ThemeSettings.php b/core/lib/Drupal/Core/Theme/ThemeSettings.php
index 7ca0b8d..f1ad829 100644
--- a/core/lib/Drupal/Core/Theme/ThemeSettings.php
+++ b/core/lib/Drupal/Core/Theme/ThemeSettings.php
@@ -13,7 +13,7 @@
  * Provides a configuration API wrapper for runtime merged theme settings.
  *
  * Theme settings use configuration for base values but the runtime theme
- * settings are calculated based on various site settings and is therefore
+ * settings are calculated based on various site settings and are therefore
  * not persisted.
  *
  * @see theme_get_setting()