diff --git a/README.md b/README.md
index 8a14ff6..34373cf 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,11 @@
 $ make
 ```
 
+
+```
+$ cat helloworld.fs | ./plank
+```
+
 # Builtin Words
 
 | code | name     | semantics                                 |
diff --git a/helloworld.fs b/helloworld.fs
new file mode 100644
index 0000000..16d5f85
--- /dev/null
+++ b/helloworld.fs
@@ -0,0 +1,2 @@
+kHtketkltkltkotk tkWtkotkrtkltkdtk!tk
+tQ