3 files changed, 6 insertions, 6 deletions
diff --git a/library/core/src/ptr/const_ptr.rs b/library/core/src/ptr/const_ptr.rs
index 0c6eaf60d04..974946a7818 100644
--- a/library/core/src/ptr/const_ptr.rs
+++ b/library/core/src/ptr/const_ptr.rs
@@ -724,13 +724,13 @@ impl<T: ?Sized> *const T {
     /// that their safety preconditions are met:
     /// ```rust
     /// # #![feature(ptr_sub_ptr)]
-    /// # unsafe fn blah(ptr: *const i32, origin: *const i32, count: usize) -> bool {
+    /// # unsafe fn blah(ptr: *const i32, origin: *const i32, count: usize) -> bool { unsafe {
     /// ptr.sub_ptr(origin) == count
     /// # &&
     /// origin.add(count) == ptr
     /// # &&
     /// ptr.sub(count) == origin
-    /// # }
+    /// # } }
     /// ```
     ///
     /// # Safety
diff --git a/library/core/src/ptr/mut_ptr.rs b/library/core/src/ptr/mut_ptr.rs
index d1b0104c0fa..94ebd0d2522 100644
--- a/library/core/src/ptr/mut_ptr.rs
+++ b/library/core/src/ptr/mut_ptr.rs
@@ -896,13 +896,13 @@ impl<T: ?Sized> *mut T {
     /// that their safety preconditions are met:
     /// ```rust
     /// # #![feature(ptr_sub_ptr)]
-    /// # unsafe fn blah(ptr: *mut i32, origin: *mut i32, count: usize) -> bool {
+    /// # unsafe fn blah(ptr: *mut i32, origin: *mut i32, count: usize) -> bool { unsafe {
     /// ptr.sub_ptr(origin) == count
     /// # &&
     /// origin.add(count) == ptr
     /// # &&
     /// ptr.sub(count) == origin
-    /// # }
+    /// # } }
     /// ```
     ///
     /// # Safety
diff --git a/library/core/src/ptr/non_null.rs b/library/core/src/ptr/non_null.rs
index d93069d384e..f4ac00062d7 100644
--- a/library/core/src/ptr/non_null.rs
+++ b/library/core/src/ptr/non_null.rs
@@ -857,13 +857,13 @@ impl<T: ?Sized> NonNull<T> {
     /// that their safety preconditions are met:
     /// ```rust
     /// # #![feature(ptr_sub_ptr)]
-    /// # unsafe fn blah(ptr: std::ptr::NonNull<u32>, origin: std::ptr::NonNull<u32>, count: usize) -> bool {
+    /// # unsafe fn blah(ptr: std::ptr::NonNull<u32>, origin: std::ptr::NonNull<u32>, count: usize) -> bool { unsafe {
     /// ptr.sub_ptr(origin) == count
     /// # &&
     /// origin.add(count) == ptr
     /// # &&
     /// ptr.sub(count) == origin
-    /// # }
+    /// # } }
     /// ```
     ///
     /// # Safety