diff --git a/core/lib/Drupal/Component/Utility/SafeMarkup.php b/core/lib/Drupal/Component/Utility/SafeMarkup.php
index d3844f0..dc0a6a1 100644
--- a/core/lib/Drupal/Component/Utility/SafeMarkup.php
+++ b/core/lib/Drupal/Component/Utility/SafeMarkup.php
@@ -19,7 +19,7 @@
  * marked safe, as are markup strings created from render arrays via
  * drupal_render().
  *
- * This class should be limited to interal use only. Module developers should
+ * This class should be limited to internal use only. Module developers should
  * instead use the appropriate
  * @link sanitization sanitization functions @endlink or the
  * @link theme_render theme and render systems @endlink so that the output can