[gnome-user-docs] color: Add another paragraph to make camera calibration easier

[Richard Hughes <rhughes src gnome org>]

commit 55dc0e18916bd59e3173761772b3486c6ad1c620
Author: Richard Hughes <richard hughsie com>
Date:   Fri May 4 09:51:24 2012 +0100

    color: Add another paragraph to make camera calibration easier

 gnome-help/C/color-calibrate-camera.page |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/gnome-help/C/color-calibrate-camera.page b/gnome-help/C/color-calibrate-camera.page
index 13c66fa..c5d1383 100644
--- a/gnome-help/C/color-calibrate-camera.page
+++ b/gnome-help/C/color-calibrate-camera.page
@@ -24,6 +24,12 @@
     By converting the RAW file to a TIFF file, it can be used to
     calibrate the camera device in the color control panel.
   </p>
+  <p>
+    You will need to crop the TIFF file so that just the target is
+    visible. Ensure the white or black borders are still visible.
+    Calibration will not work if the image is upside-down or is
+    distorted by a large amount.
+  </p>
 
   <note style="tip">
     <p>