diff -u b/core/modules/media/src/MediaSourceEntityConstraintsInterface.php b/core/modules/media/src/MediaSourceEntityConstraintsInterface.php
--- b/core/modules/media/src/MediaSourceEntityConstraintsInterface.php
+++ b/core/modules/media/src/MediaSourceEntityConstraintsInterface.php
@@ -6,7 +6,7 @@
  * Defines an interface for a media source with entity constraints.
  *
  * This allows a media source to optionally add entity validation constraints
- * for media items. To add contraints at the source field level, a media source
+ * for media items. To add constraints at the source field level, a media source
  * can also implement MediaSourceFieldConstraintsInterface.
  *
  * @see \Drupal\media\MediaSourceInterface
diff -u b/core/modules/media/src/MediaSourceFieldConstraintsInterface.php b/core/modules/media/src/MediaSourceFieldConstraintsInterface.php
--- b/core/modules/media/src/MediaSourceFieldConstraintsInterface.php
+++ b/core/modules/media/src/MediaSourceFieldConstraintsInterface.php
@@ -6,7 +6,7 @@
  * Defines an interface for a media source with source field constraints.
  *
  * This allows a media source to optionally add source field validation
- * constraints for media items. To add contraints at the entity level, a
+ * constraints for media items. To add constraints at the entity level, a
  * media source can also implement MediaSourceEntityConstraintsInterface.
  *
  * @see \Drupal\media\MediaSourceInterface