1 files changed, 3 insertions, 3 deletions
diff --git a/stddev b/stddev
index a7397b2..2634f63 100755
--- a/stddev
+++ b/stddev
@@ -2,7 +2,7 @@
 
 require 'trollop'
 
-cfg = Trollop::options do
+conf = Trollop::options do
   banner "stddev [-r <d>] < <one number per line>"
   opt :round, "Number of digits after decimal point.", :type => :int, :default => -1
 end
@@ -26,8 +26,8 @@ cached.each { |v|
 
 stddev = Math.sqrt(var/i.to_f)
 
-if cfg[:round] >= 0
-  puts stddev.round cfg[:round]
+if conf[:round] >= 0
+  puts stddev.round conf[:round]
 else
   puts stddev
 end