diff --git a/src/SUMMARY.md b/src/SUMMARY.md
index e44f84f8..eeea6576 100644
--- a/src/SUMMARY.md
+++ b/src/SUMMARY.md
@@ -102,8 +102,8 @@
   - [match expressions](control-flow/match-expressions.md)
   - [break & continue](control-flow/break-continue.md)
 - [Standard Library](std.md)
-  - [String](std/string.md)
   - [Option and Result](std/option-result.md)
+  - [String](std/string.md)
   - [Vec](std/vec.md)
   - [HashMap](std/hashmap.md)
   - [Box](std/box.md)