square/jetpack — comment on commit db323a93e4179f3ae2b0a16b7ded6ac845be263f
File: README.markdown line 19
By xaviershay:

This list is possibly confusing because it's a list of negatives ("Jetpack does not:") I'll rewrite.

We are trying to say that your server only needs java to be installed, it does not need jruby.