diff --git a/examples/bmp-parser.csn b/examples/bmp-parser.csn
index 3cc4cd3..119c24d 100644
--- a/examples/bmp-parser.csn
+++ b/examples/bmp-parser.csn
@@ -1,6 +1,9 @@
 (
     ; This program parses and shows bmp. 
     ; Only 32-bit RGB format is supported at the moment.
+    ;
+    ; To run it: 
+    ;    cat pika-rgb32.bmp | crsn bmp-parser.csn
     
     (def HUGEPIXELS 1)