release_note.md: update about version string

hymkor · hymkor · commit dda3faa40ff8 · 2022-02-16T22:00:32.000+09:00
diff --git a/release_note.md b/release_note.md
@@ -1,5 +1,5 @@
 - Fix: filehandle for script was not closed when script did not end with CRLF
-- With no arguments, show the version string
+- Show the version string
 
 v0.6.1
 ------
