diff --git a/README.md b/README.md
index 9c0b7a1..b2f28c1 100644
--- a/README.md
+++ b/README.md
@@ -9,3 +9,9 @@ wom
 
 # Showcase
 ![wom timer](./examples/timer.gif "wom timer")
+
+# Building
+/usr/local is just my preferred prefix, nothing should require you to use it.
+```bash
+zig build install -p /usr/local
+```
diff --git a/build.zig b/build.zig
index c76d62f..5fa02f2 100644
--- a/build.zig
+++ b/build.zig
@@ -67,7 +67,10 @@ pub fn build(b: *std.Build) void {
     exe.root_module.addIncludePath(ds.path("."));
     exe.root_module.addIncludePath(cargs.path("include"));
     exe.root_module.addIncludePath(log.path("src"));
+
+    // add the files to the install step
     b.installArtifact(exe);
+    b.installFile("completions/_wom.zsh", "zsh/site-functions/_wom.zsh");
 
     const run_cmd = b.addRunArtifact(exe);
     run_cmd.step.dependOn(b.getInstallStep());