diff --git a/SC2184.md b/SC2184.md
index 70e83ef..84c9647 100644
--- a/SC2184.md
+++ b/SC2184.md
@@ -19,6 +19,12 @@ In the problematic code, having a file called `food` in the current directory wi
 
 Quoting so that the `[..]` is passed literally to `unset` solves the issue.
 
+Note that you can unset element using variable for index name like this:
+
+```sh
+unset 'foo[$var]'
+```
+
 ### Exceptions:
 
 If you know that pathname expansion is disabled you can ignore this message.  `set -o noglob` (and variations like invoking the script with `#!/bin/bash -f`) will prevent glob expansion of arguments to `unset`.
\ No newline at end of file