diff --git a/src/libcore/char/methods.rs b/src/libcore/char/methods.rs
index e843303380ad0..4b930535dceb2 100644
--- a/src/libcore/char/methods.rs
+++ b/src/libcore/char/methods.rs
@@ -661,7 +661,7 @@ impl char {
     /// Returns `true` if this `char` is alphanumeric.
     ///
     /// 'Alphanumeric'-ness is defined in terms of the Unicode General Categories
-    /// 'Nd', 'Nl', 'No' and the Derived Core Property 'Alphabetic'.
+    /// 'Nd', 'Nl', 'No' and the Derived Core Property `Alphabetic`.
     ///
     /// # Examples
     ///
diff --git a/src/libcore/cmp.rs b/src/libcore/cmp.rs
index 59088e4329177..f9613556a1ebc 100644
--- a/src/libcore/cmp.rs
+++ b/src/libcore/cmp.rs
@@ -319,7 +319,7 @@ impl Ordering {
     /// This method can be used to reverse a comparison:
     ///
     /// ```
-    /// let mut data: &mut [_] = &mut [2, 10, 5, 8];
+    /// let data: &mut [_] = &mut [2, 10, 5, 8];
     ///
     /// // sort the array from largest to smallest.
     /// data.sort_by(|a, b| a.cmp(b).reverse());