Add trailing slash

Author: quinntracy

content/en/docs/releasenotes/studio-pro/11/11.9.md

@@ -40,7 +40,7 @@ For more information, see [Portable App Distribution](/developerportal/deploy/po
 
 #### Other New Features
             
-- We have implemented new functions in OQL. They are not currently available in Studio Pro, but they can be used using the Java API or the OQL module. For more details, see [OQL Expression Syntax](/refguide/oql-expression-syntax). We added the following functions:
+- We have implemented new functions in OQL. They are not currently available in Studio Pro, but they can be used using the Java API or the OQL module. For more details, see [OQL Expression Syntax](/refguide/oql-expression-syntax/). We added the following functions:
   - `DATEADD`
   - `DATETRUNC`
   - `LOCATE`