[gimp-help] Fixed tutorial menu link

[Marco Ciampa <marcoc src gnome org>]

commit 86dd6936514649e9dc7dd822a0b9b539a87e9f19
Author: Marco Ciampa <ciampix posteo net>
Date:   Sat Dec 22 17:00:07 2018 +0100

    Fixed tutorial menu link

 src/appendix/tone-mapping-tutorial.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/appendix/tone-mapping-tutorial.xml b/src/appendix/tone-mapping-tutorial.xml
index 5f1e7e311..e2286f990 100644
--- a/src/appendix/tone-mapping-tutorial.xml
+++ b/src/appendix/tone-mapping-tutorial.xml
@@ -587,7 +587,7 @@ fileref="images/tutorials/tone-mapping/truck-tone-mapped-using-gegl-mantuik.jpg"
               the best and easiest solution. For the “Power lines” image, the 
               48 pixels in question carried essentially zero information. So 
               I used “Colors/Exposure” to raise the white point, and then 
-              used “Tools/GEGL Operation/Clip RGB” to actually clip the 
+              used “Colors/Clip RGB” to actually clip the 
               channel information in the highlights (this time making sure 
               the “Clip high pixel values” box was checked).
             </para>