Fix docs markup (#225)

src/executor/mod.rs

@@ -198,7 +198,7 @@ pub struct Spawn(());
 /// onto the default executor returns an error. To avoid the panic, use
 /// [`DefaultExecutor`].
 ///
-/// [`DefaultExecutor`]: #
+/// [`DefaultExecutor`]: struct.DefaultExecutor.html
 pub fn spawn<F>(f: F) -> Spawn
 where F: Future<Item = (), Error = ()> + 'static + Send
 {

tokio-executor/src/global.rs

@@ -28,7 +28,7 @@ impl DefaultExecutor {
     /// Futures may be spawned onto the default executor using this handle.
     ///
     /// The returned handle will reference whichever executor is configured as
-    /// the default **at the time `spawn` is called`. This enables
+    /// the default **at the time `spawn` is called**. This enables
     /// `DefaultExecutor::current()` to be called before an execution context is
     /// setup, then passed **into** an execution context before it is used.
     pub fn current() -> DefaultExecutor {