Small fix to checks documentation

The file was not rendered properly by Markdown nor by gitiles. Other
files seem to be rendering correctly.

Change-Id: I7f809bb93f46f7eeff1922671ad063c67dbaa4bc
diff --git a/resources/Documentation/rest-api-checks.md b/resources/Documentation/rest-api-checks.md
index 4bcd1a1..048c868 100644
--- a/resources/Documentation/rest-api-checks.md
+++ b/resources/Documentation/rest-api-checks.md
@@ -1,4 +1,4 @@
-# /changes/<id>/revisions/<id>/checks/ REST API
+# /changes/`id`/revisions/`id`/checks/ REST API
 
 This page describes the check-related REST endpoints that are added by the
 @PLUGIN@ plugin.
@@ -143,6 +143,7 @@
 
 ### <a id="update-check"> Update Check
 _'POST /changes/1/revisions/1/checks/'_
+
 _'POST /changes/1/revisions/1/checks/test:my-checker'_
 
 Updates a check. The semantics are the same as for [CreateCheck](#create-check).