Make MarkDown easier to parse

SC2006.md

@@ -1,20 +1,31 @@
 # Use `$(...)` notation instead of legacy backticked `` `...` ``.
+
 ### Problematic code
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 ```sh
 echo "You are running on `uname`"
 ```
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 ### Correct code
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 ```sh
 echo "You are running on $(uname)"
 ```
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 ### Rationale
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 Backtick command substitution `` `...` `` is legacy syntax with several issues.
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 1. It has a series of undefined behaviors related to quoting in POSIX.
 1. It imposes a custom escaping mode with surprising results.
 1. It's exceptionally hard to nest.
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 `$(...)` command substitution has none of these problems, and is therefore strongly encouraged.
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 ### Exceptions
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 None.
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 ### Related resources:
 
 * [BashFaq: Why is `$(...)` preferred over `` `...` `` (backticks)?](http://mywiki.wooledge.org/BashFAQ/082)