diff -r 41300fa6a67c -r f7bc934e204c src/corelib/concurrent/qfuturewatcher.cpp
--- a/src/corelib/concurrent/qfuturewatcher.cpp	Tue Feb 02 00:43:10 2010 +0200
+++ b/src/corelib/concurrent/qfuturewatcher.cpp	Wed Mar 31 11:06:36 2010 +0300
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -499,6 +499,13 @@
 /*! \fn void QFutureWatcher::setFuture(const QFuture<T> &future)
 
     Starts watching the given \a future.
+
+    One of the signals might be emitted for the current state of the
+    \a future. For example, if the future is already stopped, the
+    finished signal will be emitted.
+
+    To avoid a race condition, it is important to call this function
+    \i after doing the connections.
 */
 
 /*! \fn QFuture<T> QFutureWatcher::future() const