diff --git a/servers/slapd/schema/core.ldif b/servers/slapd/schema/core.ldif
index bafcb4466c..0329a4360f 100644
--- a/servers/slapd/schema/core.ldif
+++ b/servers/slapd/schema/core.ldif
@@ -516,7 +516,7 @@ olcObjectClasses: ( 2.5.6.22 NAME 'pkiCA'
   cACertificate $ crossCertificatePair ) )
 #
 olcObjectClasses: ( 2.5.6.23 NAME 'deltaCRL'
-  DESC 'RFC2587: PKI user'
+  DESC 'RFC4523: X.509 delta CRL'
   SUP top AUXILIARY
   MAY deltaRevocationList )
 #
diff --git a/servers/slapd/schema/core.schema b/servers/slapd/schema/core.schema
index 208d2c552f..9c7c359dbf 100644
--- a/servers/slapd/schema/core.schema
+++ b/servers/slapd/schema/core.schema
@@ -524,7 +524,7 @@ objectclass ( 2.5.6.22 NAME 'pkiCA'
 		cACertificate $ crossCertificatePair ) )
 
 objectclass ( 2.5.6.23 NAME 'deltaCRL'
-	DESC 'RFC2587: PKI user'
+	DESC 'RFC4523: X.509 delta CRL'
 	SUP top AUXILIARY
 	MAY deltaRevocationList )