diff --git a/src/SUMMARY.md b/src/SUMMARY.md
index 63f6458..124a6dc 100644
--- a/src/SUMMARY.md
+++ b/src/SUMMARY.md
@@ -8,7 +8,7 @@
   * [불안전함과 함께 일하는 것](working-with-unsafe.md)
 * [데이터 레이아웃](data.md)
   * [repr(Rust)](repr-rust.md)
-  * [이량(異量) 타입](exotic-sizes.md)
+  * [이량 타입](exotic-sizes.md)
   * [다른 표현 방식들](other-reprs.md)
 * [소유권](ownership.md)
   * [레퍼런스](references.md)
@@ -18,7 +18,7 @@
   * [수명 생략](lifetime-elision.md)
   * [무제한 수명](unbounded-lifetimes.md)
   * [상계 트레잇 제한](hrtb.md)
-  * [Subtyping and Variance](subtyping.md)
+  * [부분타입 다형성과 변성](subtyping.md)
   * [Drop Check](dropck.md)
   * [PhantomData](phantom-data.md)
   * [Splitting Borrows](borrow-splitting.md)