diff --git a/README.md b/README.md
index 71d659d..ef7ea34 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ The hello world program at the beginning looks like this.
 
 ```
 $ ./planck
-kHtketkltkltkotk tkWtkotkrtkltkdtk!tk:k0-tQ
+kHtketkltkltkotk tkWtkotkrtkltkdtk!tk:k0-tk0k0-Q
 ```
 After bootstrapping by `bootstrap.fs`, it looks like this.
 
diff --git a/bootstrap.fs b/bootstrap.fs
index f9098ff..6537a27 100644
--- a/bootstrap.fs
+++ b/bootstrap.fs
@@ -66,7 +66,7 @@ l!
 \ The following line is an example program of planckforth
 \ which prints "Hello World!\n"
 \ --
-\ kHtketkltkltkotk tkWtkotkrtkltkdtk!tk:k0-tQ
+\ kHtketkltkltkotk tkWtkotkrtkltkdtk!tk:k0-tk0k0-Q
 \ --
 \ This code repeats that 'k' reads a character and 't' prints it.
 \ Note that ':' (58) minus '0' (48) is '\n' (10).
diff --git a/example/helloworld.fs b/example/helloworld.fs
index 58fc254..13aed1a 100644
--- a/example/helloworld.fs
+++ b/example/helloworld.fs
@@ -1 +1 @@
-kHtketkltkltkotk tkWtkotkrtkltkdtk!tk:k0-tQ
+kHtketkltkltkotk tkWtkotkrtkltkdtk!tk:k0-tk0k0-Q