diff --git a/SC2124.md b/SC2124.md
index 2941551..e4b95b3 100644
--- a/SC2124.md
+++ b/SC2124.md
@@ -32,6 +32,8 @@ If you want to assign N elements as N elements, use an array, e.g. `myArray=( "$
 
 If you want to assign N elements as 1 element by concatenating them, use `*` instead of `@`, e.g. `myVar=${myArray[*]}` (this separates elements with the first character of `IFS`, usually space).
 
+The same is true for `${@: -1}`, which results in 0 or 1 elements: `var=${*: -1}` assigns the last element or an empty string.
+
 ### Exceptions
 
 None.
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