[gimp-web/testing] Fix typo in digital b&w tutorial

[Pat David <patdavid src gnome org>]

commit 9ba0140028d7d6413d6073f19aabbfa03f311db2
Author: Pat David <patdavid gmail com>
Date:   Wed Apr 12 09:29:31 2017 -0500

    Fix typo in digital b&w tutorial

 .../Digital_Black_and_White_Conversion/index.md    |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/content/tutorials/Digital_Black_and_White_Conversion/index.md 
b/content/tutorials/Digital_Black_and_White_Conversion/index.md
index bc3ad02..650a1cf 100644
--- a/content/tutorials/Digital_Black_and_White_Conversion/index.md
+++ b/content/tutorials/Digital_Black_and_White_Conversion/index.md
@@ -81,7 +81,7 @@ or 255, 172, 80
 
 <span>But what about 16-bit images?</span> Well - the data is still in the image file to correctly describe 
the colors at 16bit/channel, but most likely what you’ll be seeing on your monitor is an interpolation of the 
values to an 8-bit/channel colorspace. You should _always_ work in the highest bit depth color that you can, 
and leave any conversions to 8-bit for when you are saving your work to be viewed on a monitor.
 
-The important point to take away from this is to realize that when all three color channels are the same 
value, you’ll got a grey color. So a middle gray value of 127, 127, 127 would look like this:
+The important point to take away from this is to realize that when all three color channels are the same 
value, you’ll get a grey color. So a middle gray value of 127, 127, 127 would look like this:
 
 <p class="color-ex color127127127" >
 127, 127, 127