Documentation fix

Better documentation for the screenLayout option in the Activity
configChanges attribute.

Change-Id: I9e86b08f1b305118478e3d7f134cb497839bb77b
diff --git a/core/res/res/values/attrs_manifest.xml b/core/res/res/values/attrs_manifest.xml
index f00572d..4e2f9c3 100644
--- a/core/res/res/values/attrs_manifest.xml
+++ b/core/res/res/values/attrs_manifest.xml
@@ -531,8 +531,8 @@
         <!-- The screen orientation has changed, that is the user has
              rotated the device. -->
         <flag name="orientation" value="0x0080" />
-        <!-- The screen orientation has changed, that is the user has
-             rotated the device. -->
+        <!-- The screen layout has changed.  This might be caused by a
+             different display being activated. -->
         <flag name="screenLayout" value="0x0100" />
         <!-- The font scaling factor has changed, that is the user has
              selected a new global font size. -->