diff --git a/README.md b/README.md
index a09c1e01b4fa2abfd0defc46bae82bbed56f6966..5a2e9b1399fe87197e2f772d53cfc59efe7902d7 100644
--- a/README.md
+++ b/README.md
@@ -11,4 +11,4 @@ The version is pre-alpha so it could behave very buggy.
 python datcom_parser.py filename
 ```
 
-The filename is optional. Without it the parser will look for the `for005.dat' file.
+The filename is optional. Without it the parser will look for the `for006.dat' file.