Update api-ref.md (tableau#386)

d45 · web-flow · commit 0ae5477661a1 · 2019-01-23T14:26:43.000-08:00
fixed typo in link from *server*.auth to Authentication.
diff --git a/docs/api-ref.md b/docs/api-ref.md
@@ -1889,7 +1889,7 @@ When you create an instance of the `Server` class, you have access to the resour
 
 Resource   |  Description     
  :--- | : ---    
-*server*.auth   |   Sets authentication for sign in and sign out. See [Auth](#auththentication)  |
+*server*.auth   |   Sets authentication for sign in and sign out. See [Auth](#authentication)  |
 *server*.views  |   Access the server views and methods.  See [Views](#views)  
 *server*.users  |   Access the user resources and methods.  See [Users](#users)  
 *server*.sites  |   Access the sites.  See [Sites](#sites)  
