diff --git a/src/icalendar/attr.py b/src/icalendar/attr.py
index 88ecf83..f661f44 100644
--- a/src/icalendar/attr.py
+++ b/src/icalendar/attr.py
@@ -1909,7 +1909,7 @@ def _get_conferences(self: Component) -> list[Conference]:
     Example:
         The following are examples of this property:
 
-        .. code-block:: ical
+        .. code-block:: text
 
             CONFERENCE;VALUE=URI;FEATURE=PHONE,MODERATOR;
              LABEL=Moderator dial-in:tel:+1-412-555-0123,,,654321
diff --git a/src/icalendar/prop/conference.py b/src/icalendar/prop/conference.py
index 172a5a8..fad8e28 100644
--- a/src/icalendar/prop/conference.py
+++ b/src/icalendar/prop/conference.py
@@ -51,7 +51,7 @@ class Conference:
     Example:
         The following are examples of this property:
 
-        .. code-block:: ical
+        .. code-block:: text
 
             CONFERENCE;VALUE=URI;FEATURE=PHONE,MODERATOR;
              LABEL=Moderator dial-in:tel:+1-412-555-0123,,,654321