diff --git a/acacore/utils/helpers.py b/acacore/utils/helpers.py
index 24cb50f..e3429c1 100644
--- a/acacore/utils/helpers.py
+++ b/acacore/utils/helpers.py
@@ -8,6 +8,9 @@ class ExceptionManager:
     """
     A context manager class that catches specified exceptions and stores the exception and traceback for later use.
 
+    Exceptions whose class is explicitly declared in the 'catch' argument are always caught,
+    even if they subclass from classes passed int the 'allow' argument.
+
     Args:
         *catch (Type[BaseException]): Exception types that should be caught and not allowed to rise.