diff --git a/C4/ILSDI/Services.pm b/C4/ILSDI/Services.pm
index 9979e17b16..638bc324ca 100644
--- a/C4/ILSDI/Services.pm
+++ b/C4/ILSDI/Services.pm
@@ -382,6 +382,9 @@ Parameters:
     whether or not to return hold request information in the response
   - show_loans (Optional, default 0)
     whether or not to return loan information request information in the response
+  - show_attributes (Optional, default 0)
+    whether or not to return additional patron attributes, when enabled the attributes
+    are limited to those marked as opac visible only.
 
 =cut