diff --git a/site/download.md b/site/download.md
index a3e54476a..71d78cb93 100644
--- a/site/download.md
+++ b/site/download.md
@@ -63,18 +63,35 @@ Binaries or system packages are quickest to install, but they can be outdated or
 | NetBSD               | ? | 
 | OpenBSD              | Ports: **[https://github.com/jasperla/openbsd-wip/pull/104](https://github.com/jasperla/openbsd-wip/pull/104)** 
Third-party binaries: **[OpenBSD6.3/amd64](https://s3.amazonaws.com/openbsd-hledger/index.html)** | 1.10
 |                 |
-| [NixOS][]            | **`nix-env -iA nixpkgs.haskellPackages.hledger nixpkgs.haskellPackages.hledger-ui nixpkgs.haskellPackages.hledger-web`** 
[problems with hledger-ui on Mac ?](https://github.com/simonmichael/hledger/issues/613) | 1.5 (stable), 1.11 (unstable)
+| [Nix][]              | **`nix-env -iA nixpkgs.haskellPackages.hledger nixpkgs.haskellPackages.hledger-ui nixpkgs.haskellPackages.hledger-web`** 
[problems with hledger-ui on Mac ?](https://github.com/simonmichael/hledger/issues/613) | 1.5 (stable), 1.11 (unstable)
 | Sandstorm            | **[hledger-web Sandstorm app](https://apps.sandstorm.io/app/8x12h6p0x0nrzk73hfq6zh2jxtgyzzcty7qsatkg7jfg2mzw5n90)** 
[features needed](https://github.com/simonmichael/hledger/issues/425) | 1.9.2
 
 [Mac]: https://formulae.brew.sh/formula/hledger
+[Mac contact]: mailto:
+
 [Windows]: https://ci.appveyor.com/project/simonmichael/hledger
+[Windows contact]: mailto:simon@joyful.com
+
 [Arch Linux]: https://www.archlinux.org/packages/?sort=&q=hledger
+[Arch Linux contact]: mailto:
+
 [Debian]: https://packages.debian.org/search?searchon=names&keywords=hledger
+[Debian contact]: mailto:debian-haskell@lists.debian.org
+
 [Fedora]: https://apps.fedoraproject.org/packages/s/hledger
+[Fedora contact]: mailto:
+
 [Gentoo]: https://gentoo.zugaina.org/Search?search=hledger
+[Gentoo contact]: mailto:
+
 [Ubuntu]: https://packages.ubuntu.com/search?suite=all&searchon=names&keywords=hledger
+[Ubuntu contact]: mailto:
+
 [Void Linux]: https://voidlinux.org/packages/?q=hledger
-[NixOS]: http://hydra.nixos.org/search?query=hledger
+[Void Linux contact]: mailto:
+
+[Nix]: http://hydra.nixos.org/search?query=hledger
+[Nix contact]: mailto:
 
 
 
@@ -83,19 +100,17 @@ Binaries or system packages are quickest to install, but they can be outdated or
 
 Good choice! You'll get the latest features and fixes mentioned in the [release notes](release-notes.html),
 and you'll be in a good position to give feedback and get support.
-
 Below are three ways to build the latest release, in order of preference.
-Here are some tips, just in case you need them:
+But first, some tips:
 
-- Building all of hledger for the first time could take as much as an
-  hour, 1-2G of free memory, and 1-2G of disk space.  (We make use of
-  a lot of fine Haskell software.)  You can kill and restart the
-  build without losing progress, and future builds will be much
-  faster.
+- Building all hledger tools and dependencies for the first time could
+  take as much as an hour, 1-2G of free memory, and 1-2G of disk
+  space.  You can kill and restart the build without losing progress,
+  and future builds will be much faster.
 
-- If building fails with link errors (eg: "/bin/ld.gold: error: cannot find -ltinfo"), 
+- If you get link errors (eg: "/bin/ld.gold: error: cannot find -ltinfo"), 
   you might need to install some extra system packages and try again.
-  Check the list below, or do a web search for the error message to find the required package
+  To find the right system package, check the list below, or do a web search for the error message
   (and please send updates for this list):
 
     |
@@ -116,6 +131,12 @@ Here are some tips, just in case you need them:
     [windows: hledger-ui is not available](https://github.com/jtdaugherty/vty/pull/1#issuecomment-297143444)\
     
 
+- If you have trouble, please send me a copy/paste of the output,
+  including the commands you typed, at least up to the first error, via
+      [paste](http://paste.hledger.org) + [IRC](http://irc.hledger.org),
+  or the [issue tracker](http://bugs.hledger.org), 
+  or [email](docs.html#helpfeedback).
+