diff --git a/minitests/ffcfg/README.txt b/minitests/ffcfg/README.txt
new file mode 100644
index 00000000..0d35604a
--- /dev/null
+++ b/minitests/ffcfg/README.txt
@@ -0,0 +1,3 @@
+Tests all of the documented FF "primitives"
+(there are only 4 real ones)
+