diff --git a/pandas/_libs/tslibs/timedeltas.pyx b/pandas/_libs/tslibs/timedeltas.pyx
index a8c5474f0f532..2a62b3193cfab 100644
--- a/pandas/_libs/tslibs/timedeltas.pyx
+++ b/pandas/_libs/tslibs/timedeltas.pyx
@@ -1075,6 +1075,7 @@ cdef class _Timedelta(timedelta):
         Timedelta.components : Return all attributes with assigned values
             (i.e. days, hours, minutes, seconds, milliseconds, microseconds,
             nanoseconds).
+        Timedelta.total_seconds : Express the Timedelta as total number of seconds.
 
         Examples
         --------