diff --git a/examples/invoicing/README.md b/examples/invoicing/README.md
index 2dc61d805..c08178f23 100644
--- a/examples/invoicing/README.md
+++ b/examples/invoicing/README.md
@@ -1,2 +1 @@
 Example files related to https://hledger.org/invoicing.html
-Adapted from a working setup, not guaranteed to be current or working.
diff --git a/examples/invoicing/202001ab.md b/examples/invoicing/makefile/202001ab.md
similarity index 100%
rename from examples/invoicing/202001ab.md
rename to examples/invoicing/makefile/202001ab.md
diff --git a/examples/invoicing/Makefile b/examples/invoicing/makefile/Makefile
similarity index 100%
rename from examples/invoicing/Makefile
rename to examples/invoicing/makefile/Makefile
diff --git a/examples/invoicing/makefile/README.md b/examples/invoicing/makefile/README.md
new file mode 100644
index 000000000..4dae956f8
--- /dev/null
+++ b/examples/invoicing/makefile/README.md
@@ -0,0 +1 @@
+Scripts adapted from a real-world setup, not guaranteed to be current or working.
diff --git a/examples/invoicing/invoice.css b/examples/invoicing/makefile/invoice.css
similarity index 100%
rename from examples/invoicing/invoice.css
rename to examples/invoicing/makefile/invoice.css