diff --git a/src/ownership.md b/src/ownership.md
index dd9e9db..2ec4872 100644
--- a/src/ownership.md
+++ b/src/ownership.md
@@ -59,7 +59,7 @@ data.push(4);
 println!("{}", x);
 ```
 
-naive scope analysis would be insufficient to prevent this bug, because `data`
+naïve scope analysis would be insufficient to prevent this bug, because `data`
 does in fact live as long as we needed. However it was *changed* while we had
 a reference into it. This is why Rust requires any references to freeze the
 referent and its owners.
diff --git a/src/vec.md b/src/vec.md
index ad98e45..62580d1 100644
--- a/src/vec.md
+++ b/src/vec.md
@@ -13,7 +13,7 @@ many intrinsics *do* become stabilized elsewhere (`std::ptr` and `str::mem`
 consist of many intrinsics).
 
 Ultimately this means our implementation may not take advantage of all
-possible optimizations, though it will be by no means *naive*. We will
+possible optimizations, though it will be by no means *naïve*. We will
 definitely get into the weeds over nitty-gritty details, even
 when the problem doesn't *really* merit it.