diff --git a/tests/data/slapd-translucent-local.conf b/tests/data/slapd-translucent-local.conf
index 85da7e7486..ca7303cfc6 100644
--- a/tests/data/slapd-translucent-local.conf
+++ b/tests/data/slapd-translucent-local.conf
@@ -56,7 +56,7 @@ translucent_no_glue
 
 uri		@URI1@
 # "lastmod off" is not strictly required because the instance of back-ldap
-# added by the translucent overlay sets it off for the underling database;
+# added by the translucent overlay sets it off for the underlying database;
 # however, the local database needs to have "lastmod off" so it's here as
 # a reminder.
 lastmod	off