[gimp-help-2] Fixes to original text in English

[Alexandre Prokoudine <aprokoudine src gnome org>]

commit 8a5d825ae93facb2c834660e22dbac8dab242aaa
Author: Alexandre Prokoudine <alexandre prokoudine gmail com>
Date:   Thu Mar 11 22:09:09 2010 +0300

    Fixes to original text in English

 src/toolbox/color/curves.xml |    7 +++----
 src/toolbox/color/levels.xml |    2 +-
 2 files changed, 4 insertions(+), 5 deletions(-)
---
diff --git a/src/toolbox/color/curves.xml b/src/toolbox/color/curves.xml
index d6731e1..6a299e3 100644
--- a/src/toolbox/color/curves.xml
+++ b/src/toolbox/color/curves.xml
@@ -150,8 +150,8 @@
                   <emphasis>Dark</emphasis> means
                   <emphasis>very transparent</emphasis>.
                   <emphasis>Light</emphasis> means <emphasis>very
-                  opaque</emphasis>. Your image must have an Alpha channel
-                  for this option to be enabled.
+                  opaque</emphasis>. Your image or active layer must have 
+						an Alpha channel for this option to be enabled.
                 </para>
               </listitem>
             </varlistentry>
@@ -234,8 +234,7 @@
               <para>
                 To delete all anchors (apart from both ends), click on the
                 <guilabel>Reset Channel</guilabel> button. To delete only one
-                anchor, move it onto another point or to the grid border, left
-                or right.
+                anchor, move beyond any adjacent anchor on horizontal axis.
               </para>
               <para>
                 Meanwhile, on the canvas, the mouse pointer has the form of
diff --git a/src/toolbox/color/levels.xml b/src/toolbox/color/levels.xml
index 6030691..ee6ce5f 100644
--- a/src/toolbox/color/levels.xml
+++ b/src/toolbox/color/levels.xml
@@ -439,7 +439,7 @@
               </imageobject>
               <caption>
                 <para>
-                  At the bottom, a gradient from black to white. Down, the
+                  Above is original gradient from black to white. Below is the
                   result after clicking with the white eye-dropper: all
                   pixels with a value higher than that of the clicked pixel
                   turned to white.