diff --git a/src/pam/README.md b/src/pam/README.md
index 8cf5c0f..765cba8 100644
--- a/src/pam/README.md
+++ b/src/pam/README.md
@@ -5,5 +5,16 @@
 ```sh
 meson setup build -Dinih:with_INIReader=true
 meson compile -C build
+```
+
+## Install
+
+```sh
 sudo mv build/libpam_howdy.so /lib/security/pam_howdy.so
 ```
+
+Change PAM config line to:
+
+```pam
+auth     sufficient pam_howdy.so
+```