diff --git a/lib/krb5/krb5_encrypt.3 b/lib/krb5/krb5_encrypt.3
index ae211dd3d..f26fe4951 100644
--- a/lib/krb5/krb5_encrypt.3
+++ b/lib/krb5/krb5_encrypt.3
@@ -1,4 +1,4 @@
-.\" Copyright (c) 1999 - 2003 Kungliga Tekniska Högskolan
+.\" Copyright (c) 1999 - 2004 Kungliga Tekniska Högskolan
 .\" (Royal Institute of Technology, Stockholm, Sweden).
 .\" All rights reserved.
 .\"
@@ -50,6 +50,7 @@
 .Nm krb5_enctype_is_disabled ,
 .Nm krb5_enctype_keysize ,
 .Nm krb5_enctype_to_string ,
+.Nm krb5_enctype_valid ,
 .Nm krb5_get_wrapped_length ,
 .Nm krb5_string_to_enctype
 .Nd encrypt and decrypt data, set and get encryption type parameters
@@ -161,6 +162,11 @@ Kerberos 5 Library (libkrb5, -lkrb5)
 .Fa "krb5_enctype etype"
 .Fa "char **string"
 .Fc
+.Ft krb5_error_code
+.Fo krb5_enctype_valid
+.Fa "krb5_context context"
+.Fa "krb5_enctype etype"
+.Fc
 .Ft krb5_boolean
 .Fo krb5_enctype_is_disabled
 .Fa "krb5_context context"
@@ -247,6 +253,9 @@ and stored. The strings returned should be freed with
 converts a encryption type strings to a encryption type number that
 can use used for other Kerberos crypto functions.
 .Pp
+.Fn krb5_enctype_valid
+returns non-zero if the encrypt is not supported or disabled.
+.Pp
 .Fn krb5_enctype_is_disabled
 return non-zero if
 .Fa enctype