Backport PR #52161 on branch 2.0.x (Docs/update issue 52106) (#52170)

Backport PR #52161: Docs/update issue 52106

Co-authored-by: Pranav Saibhushan Ravuri <[email protected]>

Author: MarcoGorelli

pandas/_libs/tslibs/offsets.pyx

@@ -2543,7 +2543,6 @@ cdef class MonthEnd(MonthOffset):
     DateOffset of one month end.
 
     MonthEnd goes to the next date which is an end of the month.
-    To get the end of the current month pass the parameter n equals 0.
 
     See Also
     --------
@@ -2559,10 +2558,10 @@ cdef class MonthEnd(MonthOffset):
     >>> ts + pd.offsets.MonthEnd()
     Timestamp('2022-02-28 00:00:00')
 
-    If you want to get the end of the current month pass the parameter n equals 0:
+    If you want to get the end of the current month:
 
     >>> ts = pd.Timestamp(2022, 1, 31)
-    >>> ts + pd.offsets.MonthEnd(0)
+    >>> pd.offsets.MonthEnd().rollforward(ts)
     Timestamp('2022-01-31 00:00:00')
     """
     _period_dtype_code = PeriodDtypeCode.M
@@ -2589,7 +2588,6 @@ cdef class BusinessMonthEnd(MonthOffset):
     DateOffset increments between the last business day of the month.
 
     BusinessMonthEnd goes to the next date which is the last business day of the month.
-    To get the last business day of the current month pass the parameter n equals 0.
 
     Examples
     --------
@@ -2601,11 +2599,10 @@ cdef class BusinessMonthEnd(MonthOffset):
     >>> ts + pd.offsets.BMonthEnd()
     Timestamp('2022-12-30 00:00:00')
 
-    If you want to get the end of the current business month
-    pass the parameter n equals 0:
+    If you want to get the end of the current business month:
 
     >>> ts = pd.Timestamp(2022, 11, 30)
-    >>> ts + pd.offsets.BMonthEnd(0)
+    >>> pd.offsets.BMonthEnd().rollforward(ts)
     Timestamp('2022-11-30 00:00:00')
     """
     _prefix = "BM"