diff --git a/source/reference/connection-string.txt b/source/reference/connection-string.txt
index 089baea81b3..1c80cdcdaaf 100644
--- a/source/reference/connection-string.txt
+++ b/source/reference/connection-string.txt
@@ -330,6 +330,8 @@ isolation for their reads from replica sets.
 
        For details, see :doc:`/reference/read-concern`.
 
+.. _connections-read-preference:
+
 Read Preference Options
 ~~~~~~~~~~~~~~~~~~~~~~~