diff --git a/README.rst b/README.rst
index db4685ef..5177a552 100644
--- a/README.rst
+++ b/README.rst
@@ -105,8 +105,9 @@ You can configure:
 Creating the hidden booking types
 ---------------------------------
 
-Yo can have the hidden booking types for internal usage simply selecting the **Hidden type** checkbox in a bookign type field definition. So
-this type will not be visible for the simple or anonymous users. But only the users with a **Bookin Manager** permission will see those types.
+You can hide your booking types from simple and anonymous users by using the 'Hidden Booking' flag
+in your booking types definition. This way, it will only be available to users with the 'Bookings Manager'
+permission. This feature may be useful if you want to restrict booking types for internal corporate use.
 
 Creating a new booking content
 ------------------------------
diff --git a/src/redturtle/prenotazioni/content/prenotazioni_folder.py b/src/redturtle/prenotazioni/content/prenotazioni_folder.py
index 082f13aa..812f0f23 100644
--- a/src/redturtle/prenotazioni/content/prenotazioni_folder.py
+++ b/src/redturtle/prenotazioni/content/prenotazioni_folder.py
@@ -447,7 +447,9 @@ def get_options():
             "booking_types_help",
             default="Put booking types there (one per line).\n"
             "If you do not provide this field, "
-            "not type selection will be available",
+            "not type selection will be available. "
+            "If the 'Hidden Type' flag is selected the type will only "
+            "be visible for the users with the 'Bookings Manager' permission",
         ),
         value_type=DictRow(schema=IBookingTypeRow),
     )