Don't mange sidekiq

It works better without the tooth marks.

examples/upstart/manage-one/sidekiq.conf

@@ -6,7 +6,7 @@
 #
 # See workers.conf for how to manage all Sidekiq instances at once.
 #
-# Save this config as /etc/init/sidekiq.conf then mange sidekiq with:
+# Save this config as /etc/init/sidekiq.conf then manage sidekiq with:
 #   sudo start sidekiq index=0
 #   sudo stop sidekiq index=0
 #   sudo status sidekiq index=0