Update Q_PLUGIN_METADATA docu.

Change-Id: I7e451a15de392552609ef549118600684429e0ea
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>

diff --git a/src/corelib/plugin/qplugin.qdoc b/src/corelib/plugin/qplugin.qdoc
index 940813f..684ecd5 100644 (file)
--- a/src/corelib/plugin/qplugin.qdoc
+++ b/src/corelib/plugin/qplugin.qdoc
@@ -77,7 +77,12 @@
 
     See the \l{tools/plugandpaint}{Plug & Paint} example for details.
 
-    Note that the class this macro appears on must be default-constructible
+    Note that the class this macro appears on must be default-constructible.
+
+    FILE is optional and points to a json file.
+
+    The json file must reside in the same directory as the header file.
+    moc exits with an error when it could not find the specified file.
 
     \sa Q_DECLARE_INTERFACE(), {How to Create Qt Plugins}
 */