[gimp-help] docs: fix #285 Description of layer merge down is incorrect

[Jacob Boerema <jboerema src gnome org>]

commit 58a6c124be2aecc87b3d534fd1a4b0b71142d2db
Author: Jacob Boerema <jgboerema gmail com>
Date:   Tue Sep 7 22:08:15 2021 -0400

    docs: fix #285 Description of layer merge down is incorrect

 src/menus/layer/merge-down.xml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/menus/layer/merge-down.xml b/src/menus/layer/merge-down.xml
index e8eb1ca7f..50056ea0a 100644
--- a/src/menus/layer/merge-down.xml
+++ b/src/menus/layer/merge-down.xml
@@ -25,10 +25,10 @@
     taking into account the various properties of the active layer, such as
     its opacity and layer
     <link linkend="gimp-concepts-layer-modes">mode</link>.
-    The resulting merged layer will be in Normal mode, and will inherit the
-    opacity of the layer below. If the layer below is not opaque, or if it is
-    in some mode other than Normal, then this command will generally change
-    the appearance of the image.
+    The resulting merged layer will be in Normal mode, have opacity set to 100%,
+    and will have an alpha channel even if the original layers didn't have one.
+    If the layer below is not opaque, or if it is in some mode other than
+    Normal, then this command will generally change the appearance of the image.
   </para>
   <para>
     The most common use of <guimenuitem>Merge Down</guimenuitem> is to