From 887ca313998bed4e2a3037ecce5548a9d93804dd Mon Sep 17 00:00:00 2001
From: Stefan van der Walt <stefan@sun.ac.za>
Date: Tue, 19 Apr 2011 14:58:43 +0200
Subject: [PATCH] DOC: Add Pieter Holtzhausen as a contributor.

---
 CONTRIBUTORS.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CONTRIBUTORS.txt b/CONTRIBUTORS.txt
index a5e87193..876d8b06 100644
--- a/CONTRIBUTORS.txt
+++ b/CONTRIBUTORS.txt
@@ -38,3 +38,5 @@
 - Dan Farmer
   Incorporating CellProfiler's Canny edge detector
 
+- Pieter Holtzhausen
+  Incorporating CellProfiler's Sobel edge detector