diff --git a/lib/krb5/krb5_create_checksum.3 b/lib/krb5/krb5_create_checksum.3
index a01eece97..476757b6c 100644
--- a/lib/krb5/krb5_create_checksum.3
+++ b/lib/krb5/krb5_create_checksum.3
@@ -41,12 +41,13 @@
 .Nm krb5_checksum_is_disabled ,
 .Nm krb5_checksum_is_keyed ,
 .Nm krb5_checksumsize ,
+.Nm krb5_cksumtype_valid ,
+.Nm krb5_copy_checksum ,
 .Nm krb5_create_checksum ,
-.Nm krb5_verify_checksum ,
 .Nm krb5_crypto_get_checksum_type
 .Nm krb5_free_checksum ,
 .Nm krb5_free_checksum_contents ,
-.Nm krb5_copy_checksum
+.Nm krb5_verify_checksum
 .Nd creates, handles and verifies checksums
 .Sh LIBRARY
 Kerberos 5 Library (libkrb5, -lkrb5)
@@ -63,6 +64,10 @@ Kerberos 5 Library (libkrb5, -lkrb5)
 .Ft krb5_boolean
 .Fn krb5_checksum_is_keyed "krb5_context context" "krb5_cksumtype type"
 .Ft krb5_error_code
+.Fn krb5_cksumtype_valid "krb5_context context" "krb5_cksumtype ctype"
+.Ft krb5_error_code
+.Fn krb5_checksumsize "krb5_context context" "krb5_cksumtype type" "size_t *size"
+.Ft krb5_error_code
 .Fn krb5_create_checksum "krb5_context context" "krb5_crypto crypto" "unsigned usage_or_type" "void *data" "size_t len" "Checksum *result"
 .Ft krb5_error_code
 .Fn krb5_verify_checksum "krb5_context context" "krb5_crypto crypto" "krb5_key_usage usage" "void *data" "size_t len" "Checksum *cksum"
@@ -140,6 +145,13 @@ This function is useful in combination with
 when you want to know the size a checksum will
 use when you create it.
 .Pp
+.Fn krb5_cksumtype_valid
+returns 0 or an error if the checksumtype is implemented/valid in this
+kerberos library.
+.Pp
+.Fn krb5_checksumsize
+returns the size of the outdata of checksum function.
+.Pp
 .Fn krb5_copy_checksum
 returns a copy of the checksum
 .Fn krb5_free_checksum