diff --git a/README.md b/README.md
index 167ccaa..4b7e2b9 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@
 - Scripts must use `set -euo pipefail`
 - All work should be done in a temporary directory (`mktemp -d`)
 - Currently, only amd64 will be supported
+- Must exit if the program is already up-to-date
 
 ## Building
 
@@ -22,3 +23,7 @@
   - They should be placed in `$PACKAGES_DIR/[package name]/`
 - Packages should be built on the distro they're for, unless there's a specific reason not to.
 - There should be a branch named after a distro for each distro it's for, e.g. `fedora` for Fedora.
+
+---
+
+For an example, see [polycat](https://git.askiiart.net/pkg-repo/polycat).
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