Update combinations-of-a-phone-number.md

neetcode-gh · web-flow · commit c57cf461bbc4 · 2025-05-02T06:41:51.000-07:00
diff --git a/articles/combinations-of-a-phone-number.md b/articles/combinations-of-a-phone-number.md
@@ -1,4 +1,4 @@
-## 1. Bactracking
+## 1. Backtracking
 
 ::tabs-start
 
@@ -497,4 +497,4 @@ class Solution {
 * Time complexity: $O(n * 4 ^ n)$
 * Space complexity:
     * $O(n)$ extra space.
-    * $O(n * 4 ^ n)$ space for the output list.
+    * $O(n * 4 ^ n)$ space for the output list.
