Update README_EN.md

yanglbme · web-flow · commit e2e6ad919be8 · 2024-08-07T08:31:36.000+08:00
diff --git a/solution/0100-0199/0137.Single Number II/README_EN.md b/solution/0100-0199/0137.Single Number II/README_EN.md
@@ -365,7 +365,7 @@ impl Solution {
 
 <!-- solution:start -->
 
-### Solution 1: Set + Math
+### Solution 3: Set + Math
 
 <!-- tabs:start -->
 
