diff -r db1b4aab53eb Doc/library/subprocess.rst
--- a/Doc/library/subprocess.rst	Tue Aug 07 11:57:47 2012 -0700
+++ b/Doc/library/subprocess.rst	Thu Aug 09 14:23:53 2012 +0300
@@ -172,6 +172,26 @@
    output.
 
 
+.. exception:: CalledProcessError
+
+    Exception raised when a process run by check_call() or
+    check_output() returns a non-zero exit status.
+
+    .. attribute:: returncode
+
+        Exit status of the child process.
+
+    .. attribute:: cmd
+
+        Command that was used to spawn the child process.
+
+    .. attribute:: output
+
+        Output of the child process if this exception is raised by :func:`check_output`.
+        Otherwise, None.
+
+
+
 .. _frequently-used-arguments:
 
 Frequently Used Arguments