more generally; but you can assume that what we're talking about always works more
specifically in OCaml.
-It's helpful if in addition to OCaml you also install the Findlib add-on and/or the OPAM "package manager."
+It's helpful if in addition to OCaml you also install the Findlib add-on and/or the [OPAM](https://opam.ocaml.org) "package manager."
These will make it easier to install additional add-ons further down the road.
However, if you're not able to get them working, don't worry about it much.
* *Another instruction page focuses on [OPAM](http://ocaml.org/docs/install.html), also [this](https://opam.ocaml.org).*
-* *[More details about installing OCaml on Macs, if needed](http://mirror.ocamlcore.org/wiki.cocan.org/getting_started_with_ocaml_on_mac_os_x)*
+* *[More details about installing OCaml on Macs, if needed](http://mirror.ocamlcore.org/wiki.cocan.org/getting_started_with_ocaml_on_mac_os_x.html)*
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