diff --git a/doc/man/man5/ldap.conf.5 b/doc/man/man5/ldap.conf.5
index 0821a62db0..e235f5e403 100644
--- a/doc/man/man5/ldap.conf.5
+++ b/doc/man/man5/ldap.conf.5
@@ -47,6 +47,8 @@ in the
 (or file specified by
 .BR LDAPCONF ).
 .SH OPTIONS
+The configuration options are case-insensitive;
+their value, on a case by case basis, may be case-sensitive.
 The different configuration options are:
 .TP
 .B URI <ldap[s]://[name[:port]] ...>
diff --git a/doc/man/man5/slapd.conf.5 b/doc/man/man5/slapd.conf.5
index 7c2e2c1724..7de5fafe7e 100644
--- a/doc/man/man5/slapd.conf.5
+++ b/doc/man/man5/slapd.conf.5
@@ -30,6 +30,8 @@ file consists of a series of global configuration options that apply to
 as a whole (including all backends), followed by zero or more database
 backend definitions that contain information specific to a backend
 instance.
+The configuration options are case-insensitive;
+their value, on a case by case basis, may be case-sensitive.
 .LP
 The general format of
 .B slapd.conf