Cosmetic. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/zorg/trunk@375482 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/zorg/buildbot/process/factory.py b/zorg/buildbot/process/factory.py
index 4ef7228..d04898f 100644
--- a/zorg/buildbot/process/factory.py
+++ b/zorg/buildbot/process/factory.py
@@ -61,8 +61,8 @@
                 self.obj_dir or \
                 "%(monorepo_dir)s/build" % {'monorepo_dir' : self.monorepo_dir}
 
-            # Repourl could be specified per builder. Otherwise we use github.
-            self.repourl_prefix = kwargs.pop('repourl', 'https://github.com/llvm/')
+            # Repourl_prefix could be specified per builder. Otherwise we use github.
+            self.repourl_prefix = kwargs.pop('repourl_prefix', 'https://github.com/llvm/')
 
 
         # Default build directory.