update doc

1 files changed, 6 insertions, 3 deletions

diff --git a/psutil/__init__.py b/psutil/__init__.py
index 8594e4b9..f1b437ae 100644
--- a/psutil/__init__.py
+++ b/psutil/__init__.py
@@ -960,9 +960,12 @@ class Process(object):
             return round(overall_percent, 1)
 
     def cpu_times(self):
-        """Return a (user, system) namedtuple representing  the
-        accumulated process time, in seconds.
-        This is the same as os.times() but per-process.
+        """Return a (user, system, children_user, children_system)
+        namedtuple representing the accumulated process time, in
+        seconds.
+        This is similar to os.times() but per-process.
+        On OSX and Windows children_user and children_system are
+        always set to 0.
         """
         return self._proc.cpu_times()