Add indentation to bullet point for clarity

Currently the bullet point is indented at the same level with its
parent. This might confuse some reader.

Change-Id: Ic21be6c6723bb92607b3a06946339339a7728c2e
diff --git a/Documentation/rest-api-changes.txt b/Documentation/rest-api-changes.txt
index 7724ceb..43b829c 100644
--- a/Documentation/rest-api-changes.txt
+++ b/Documentation/rest-api-changes.txt
@@ -294,9 +294,9 @@
 --
 * `REVIEWED`: include the `reviewed` field if all of the following are
   true:
-  * the change is open
-  * the caller is authenticated
-  * the caller has commented on the change more recently than the last update
+  - the change is open
+  - the caller is authenticated
+  - the caller has commented on the change more recently than the last update
     from the change owner, i.e. this change would show up in the results of
     link:user-search.html#reviewedby[reviewedby:self].
 --