-It's helpful if in addition to OCaml you also install the Findlib add-on.
-This will make it easier to install additional add-ons further down the road.
-However, if you're not able to get that working, don't worry about it much.
+It's helpful if in addition to OCaml you also install the Findlib add-on and/or the OPAM "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.