sendfile.diff

diff --git a/lib/rack/sendfile.rb b/lib/rack/sendfile.rb
index 177f452..19cfd74 100644
--- a/lib/rack/sendfile.rb
+++ b/lib/rack/sendfile.rb
@@ -47,8 +47,8 @@ module Rack
   #   }
   #
   # Note that the X-Sendfile-Type header must be set exactly as shown above. The
-  # X-Accel-Mapping header should specify the name of the private URL pattern,
-  # followed by an equals sign (=), followed by the location on the file system
+  # X-Accel-Mapping header should specify the by the location on the file system,
+  # followed by an equals sign (=), followed name of the private URL pattern
   # that it maps to. The middleware performs a simple substitution on the
   # resulting path.
   #