diff --git a/README.md b/README.md
index e47bce90..7280c7cb 100644
--- a/README.md
+++ b/README.md
@@ -254,7 +254,9 @@ See the [minutes tutorial](docs/tutorials/minutes.ipynb) for a detailed explanat
 | Astana International Exchange   | AIXK     | Kazakhstan     | 3.2           | https://www.aix.kz/                                          |
 | Bucharest Stock Exchange        | XBSE     | Romania        | 3.2           | https://www.bvb.ro/                                          |
 | Saudi Stock Exchange            | XSAU     | Saudi Arabia   | 4.2           | https://www.saudiexchange.sa/                                |
-| European Energy Exchange AG     | XEEE     | Germany        | 4.5           | https://www.eex.com/                                         |
+| European Energy Exchange AG     | XEEE     | Germany        | 4.5.5           | https://www.eex.com                                         |
+| Hamburg Stock Exchange          | XHAM     | Germany        | 4.5.5           | https://www.boerse-hamburg.de                               |
+| Duesseldorf Stock Exchange      | XDUS     | Germany        | 4.5.5           | https://www.boerse-duesseldorf.de                               |
 
 > Note that exchange calendars are defined by their [ISO-10383](https://www.iso20022.org/10383/iso-10383-market-identifier-codes) market identifier code.
 
diff --git a/exchange_calendars/exchange_calendar_xdus.py b/exchange_calendars/exchange_calendar_xdus.py
index 906d96fc..3650735c 100644
--- a/exchange_calendars/exchange_calendar_xdus.py
+++ b/exchange_calendars/exchange_calendar_xdus.py
@@ -64,7 +64,7 @@
 
 class XDUSExchangeCalendar(ExchangeCalendar):
     """
-    Exchange calendar for the Dusseldorf Stock Exchange (XHAM).
+    Exchange calendar for the Dusseldorf Stock Exchange (XDUS).
     Compared to Frankfurt:
     - same holidays
     - earlier open, later close
diff --git a/exchange_calendars/exchange_calendar_xfra.py b/exchange_calendars/exchange_calendar_xfra.py
index 005d0268..0226d172 100644
--- a/exchange_calendars/exchange_calendar_xfra.py
+++ b/exchange_calendars/exchange_calendar_xfra.py
@@ -97,13 +97,7 @@ class XFRAExchangeCalendar(ExchangeCalendar):
     - Last working day before Dec. 31
     """
 
-    # TODO: verify the early close time
-    # regular_early_close = time(12, 30)
-    #
-    # Update: CBOE thinks 2pm
-    # https://www.cboe.com/about/hours/european-equities
-    # But still need official confirmation!
-    regular_early_close = time(14)
+    regular_early_close = time(14)  # https://www.cboe.com/about/hours/european-equities
 
     name = "XFRA"