diff --git a/README.md b/README.md
index 9918ad6..befacca 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ List
 ```
 
 ```python
-sum(<list>)
+sum_of_elements  = sum(<list>)
 sorted_by_second = sorted(<list>, key=lambda el: el[1])
 flattened_list   = [item for sublist in <list> for item in sublist]
 list_of_chars    = list(<str>)