[gimp-help-2] alpha-remove: Fix typo

[Piotr Drąg <piotrdrag src gnome org>]

commit 40c10164a253520cd232b6f578e9252b3482419b
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu Nov 2 22:03:09 2017 +0100

    alpha-remove: Fix typo
    
    https://bugzilla.gnome.org/show_bug.cgi?id=789818

 src/menus/layer/alpha-remove.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/menus/layer/alpha-remove.xml b/src/menus/layer/alpha-remove.xml
index 79aa205..8b1f2ea 100644
--- a/src/menus/layer/alpha-remove.xml
+++ b/src/menus/layer/alpha-remove.xml
@@ -22,7 +22,7 @@
 
   <para>
     This command removes the Alpha channel of the active layer, keeping the
-    Apha channels of the other layers.
+    Alpha channels of the other layers.
   </para>
   <para>
     If the active layer is the background layer and if you have not added an