Update sample.md

snippets/sample.md

@@ -7,7 +7,7 @@ Returns a random element from a list.
 
 Use `random.randint()` to generate a random number that corresponds to an index in the list, return the element at that index.
 
-[`random.sample`](https://docs.python.org/3/library/random.html#random.sample) provides similar functionality to this snippet.
+[`random.sample()`](https://docs.python.org/3/library/random.html#random.sample) provides similar functionality to this snippet.
 
 ```py
 from random import randint