diff --git a/README.md b/README.md
index da8894e..437be98 100644
--- a/README.md
+++ b/README.md
@@ -20,4 +20,12 @@ src/footer.th gets appended to every file.
 .ph files contain plain html.
 .ps files contain ksh shell script (the scripts must output html to stdout).
 
-Everything in src/assets is copied as is
+Everything in src/assets is copied as is.
+
+Execute `make` to create the website with debug output.
+Execute `make -s` to hide the debug output.
+
+The generated website will be in the directory `www`.
+
+Execute `make clean` to delete www. Or just `rm -rf www`, if you want
+to start over.