diff --git a/exercises/concept/language-list/.docs/introduction.md b/exercises/concept/language-list/.docs/introduction.md
index 25b8cdd3..52bed38a 100644
--- a/exercises/concept/language-list/.docs/introduction.md
+++ b/exercises/concept/language-list/.docs/introduction.md
@@ -33,6 +33,10 @@ $prime_numbers[3] = 7; // replace 6 with 7
 $prime_numbers[] = 11; // array now contains [2, 3, 5, 7, 11]
 ```
 
+### Performing Actions with Arrays
+
+PHP provides functions you can use to modify arrays and work with items in arrays. The PHP documentation offers detailed information on [array](https://www.php.net/manual/en/language.types.array.php) functions.
+
 ## Variable-Length Arguments
 
 Function arguments can be specified such that it can take any number of arguments: