Fix broken link markup in Hasher::finish docs

There were apostrophes when there needed to be backticks.

diff --git a/src/libcore/hash/mod.rs b/src/libcore/hash/mod.rs
index b3c11ed1b5ac4d245ee0f0c1e462dbe4b20fbd70..15545a04b64de04e7b37e8115ad8d6b491a92cd4 100644 (file)
--- a/src/libcore/hash/mod.rs
+++ b/src/libcore/hash/mod.rs
@@ -259,7 +259,7 @@ pub trait Hasher {
     /// println!("Hash is {:x}!", hasher.finish());
     /// ```
     ///
-    /// ['write']: #tymethod.write
+    /// [`write`]: #tymethod.write
     #[stable(feature = "rust1", since = "1.0.0")]
     fn finish(&self) -> u64;