Fix markdown for code sample

tailhook · Jan 25, 2017 · 9bdb776 · 9bdb776
1 parent 573ffc8
commit 9bdb776
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/README.rst b/README.rst
@@ -261,6 +261,8 @@ The following actions are available out of the box. They may be used in either
     As ``Store``, but wrap value with ``Some`` for use with ``Option``. For
     example:
 
+.. code-block::
+
         let mut x: Option<i32> = None;
         ap.refer(&mut x).add_option(&["-x"], StoreOption, "Set var x");