diff --git a/core/lib/Drupal/Core/Theme/ThemeNegotiatorInterface.php b/core/lib/Drupal/Core/Theme/ThemeNegotiatorInterface.php
index 673893e..2838569 100644
--- a/core/lib/Drupal/Core/Theme/ThemeNegotiatorInterface.php
+++ b/core/lib/Drupal/Core/Theme/ThemeNegotiatorInterface.php
@@ -13,9 +13,10 @@
  * Defines an interface for classes which determine the active theme.
  *
  * To set the active theme, create a new service tagged with 'theme_negotiator'
- * (see user.services.yml for an example). The only method this service needs
- * to implement is determineActiveTheme. Return the name of the theme, or NULL
- * if other negotiators like the configured default one should kick in instead.
+ * (see user.services.yml for an example). The only methods this service needs
+ * to implement are applies and determineActiveTheme. Return the name of the
+ * theme, or NULL if other negotiators like the configured default one should
+ * kick in instead.
  *
  * If you are setting a theme which is closely tied to the functionality of a
  * particular page or set of pages (such that the page might not function
