diff -r fd0842f34602 -r 3eee07bc54eb Doc/library/signal.rst
--- a/Doc/library/signal.rst	Tue Nov 29 20:49:14 2016 +0200
+++ b/Doc/library/signal.rst	Tue Nov 29 22:16:33 2016 +0100
@@ -33,8 +33,9 @@
 
 * Python installs a small number of signal handlers by default: :const:`SIGPIPE`
   is ignored (so write errors on pipes and sockets can be reported as ordinary
-  Python exceptions) and :const:`SIGINT` is translated into a
-  :exc:`KeyboardInterrupt` exception.  All of these can be overridden.
+  Python exceptions) and :const:`SIGINT` (if parent process has not changed it)
+  is translated into a :exc:`KeyboardInterrupt` exception. All of these can be
+  overridden.
 
 * Some care must be taken if both signals and threads are used in the same
   program.  The fundamental thing to remember in using signals and threads