diff --git a/solidfill.rb.html b/solidfill.rb.html
index cabd37f..336e7e9 100644
--- a/solidfill.rb.html
+++ b/solidfill.rb.html
@@ -16,7 +16,7 @@ <h1>solidfill.rb</h1>
 # Demonstrate the SolidFill class
 
 fill = Magick::SolidFill.new('orange')
-img = Magick::Image.new(Cols, Rows, fill)
+img = Magick::Image.new(300, 100, fill)
 
 # Annotate the filled image with the code that created the fill.