diff --git a/doc/man/man3/ldap_cache.3 b/doc/man/man3/ldap_cache.3
index c0b356c343..c60842ecf8 100644
--- a/doc/man/man3/ldap_cache.3
+++ b/doc/man/man3/ldap_cache.3
@@ -52,7 +52,9 @@ unsigned long	opts;
 .fi
 .SH DESCRIPTION
 .LP
-These routines are used to control the behavior of client caching of
+These routines are used to control the behavior of the
+.B experimental
+client caching of
 .BR ldap_search (3)
 and
 .BR ldap_compare (3)