1 files changed, 8 insertions, 2 deletions

diff --git a/examples/deprecation_checker.py b/examples/deprecation_checker.py
index 52244edf6..6fb21eedd 100644
--- a/examples/deprecation_checker.py
+++ b/examples/deprecation_checker.py
@@ -51,14 +51,20 @@ if TYPE_CHECKING:
 class DeprecationChecker(DeprecatedMixin, BaseChecker):
     """Class implementing deprecation checker."""
 
-    # DeprecationMixin class is Mixin class implementing logic for searching deprecated methods and functions.
-    # The list of deprecated methods/functions is defined by implementing class via deprecated_methods callback.
+    # DeprecatedMixin class is Mixin class implementing logic for searching deprecated methods and functions.
+    # The list of deprecated methods/functions is defined by the implementing class via deprecated_methods callback.
     # DeprecatedMixin class is overriding attributes of BaseChecker hence must be specified *before* BaseChecker
     # in list of base classes.
 
     # The name defines a custom section of the config for this checker.
     name = "deprecated"
 
+    # Register messages emitted by the checker.
+    msgs = {
+        **DeprecatedMixin.DEPRECATED_METHOD_MESSAGE,
+        **DeprecatedMixin.DEPRECATED_ARGUMENT_MESSAGE,
+    }
+
     def deprecated_methods(self) -> set[str]:
         """Callback method called by DeprecatedMixin for every method/function found in the code.