diff --git a/Rakefile b/Rakefile
index c6583193..e7608da0 100644
--- a/Rakefile
+++ b/Rakefile
@@ -30,7 +30,8 @@ task :benchmark do
   puts '-'*51
 end
 
-# 
+# Benchmarking gets screwed up if some other tasks have been
+# initialized.
 unless ARGV[0] == 'benchmark'
 
   # ----- Default: Testing ------