fix warning

Signed-off-by: Yoshua Wuyts <[email protected]>

Author: yoshuawuyts

src/task/block_on.rs

@@ -19,7 +19,7 @@ use kv_log_macro::trace;
 /// Calling this function is similar to [spawning] a thread and immediately [joining] it, except an
 /// asynchronous task will be spawned.
 ///
-/// See also: [`task::blocking`].
+/// See also: [`task::spawn_blocking`].
 ///
 /// [`task::spawn_blocking`]: fn.spawn_blocking.html
 ///