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-rw-r--r--src/doc/guide-unsafe.md4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/doc/guide-unsafe.md b/src/doc/guide-unsafe.md
index 300c5bae964..fc6a12b495e 100644
--- a/src/doc/guide-unsafe.md
+++ b/src/doc/guide-unsafe.md
@@ -258,10 +258,10 @@ impl<T: Send> Drop for Unique<T> {
     }
 }
 
-// A comparison between the built-in ~ and this reimplementation
+// A comparison between the built-in `Box` and this reimplementation
 fn main() {
     {
-        let mut x = ~5;
+        let mut x = box 5;
         *x = 10;
     } // `x` is freed here