Fix broken link in old rust guide

davbo · davbo · commit a037cdfcf159 · 2015-03-04T23:18:24.000Z
Having come back to rust recently after &gt; 6months I was looking for docs
on tasks and stumbled upon this broken link.
diff --git a/src/doc/guide-tasks.md b/src/doc/guide-tasks.md
@@ -1,4 +1,4 @@
 % The (old) Rust Threads and Communication Guide
 
 This content has moved into
-[the Rust Programming Language book](book/tasks.html).
+[the Rust Programming Language book](book/concurrency.html).
