Merge pull request #331 from alanorth/identifiers-markdown-fix

identifiers.md: fix markdown syntax

Author: tdonohue

identifiers.md

@@ -40,7 +40,7 @@ Return codes:
 * 404 Not found - if the item doesn't exist
 
 ## Get identifiers for item
-**GET /api/pid/identifiers/search/findByItem?uuid=<:uuid>
+**GET /api/pid/identifiers/search/findByItem?uuid=<:uuid>**
 
 Return an array of identifiers associated with the given item.
 ```json