Add also missing "{{ limit }}" parameter for minMessage and maxMessage

Author: niconoe-

reference/constraints/Choice.rst

@@ -304,6 +304,7 @@ Parameter          Description
 =================  ============================================================
 ``{{ choices }}``  A comma-separated list of available choices
 ``{{ value }}``    The current (invalid) value
+``{{ limit }}``    The maximum number of selectable choices
 =================  ============================================================
 
 match
@@ -358,6 +359,7 @@ Parameter          Description
 =================  ============================================================
 ``{{ choices }}``  A comma-separated list of available choices
 ``{{ value }}``    The current (invalid) value
+``{{ limit }}``    The minimum number of selectable choices
 =================  ============================================================
 
 ``multiple``