diff --git a/SC2006.md b/SC2006.md
index 17adf74..d1b077e 100644
--- a/SC2006.md
+++ b/SC2006.md
@@ -30,3 +30,4 @@ None.
 
 * [BashFaq: Why is `$(...)` preferred over `` `...` `` (backticks)?](http://mywiki.wooledge.org/BashFAQ/082)
 * [StackOverflow: What is the difference between $(command) and `` `command` `` in shell programming?](https://stackoverflow.com/questions/4708549/shell-programming-whats-the-difference-between-command-and-command)
+* [shfmt](https://github.com/mvdan/sh) will automatically convert the legacy syntax
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