oai-pmh.md

@@ -77,7 +77,7 @@ oerhub.at usees the FQDN as identifier and catalog
   <datestamp>2023-02-10T13:34:53Z</datestamp>
 </header>
 ```
-example:
+Example:
 ```xml
 <header>
   <identifier>oai:gecko.aau.at:452</identifier>