diff --git a/lib/krb5/krb5_err.et b/lib/krb5/krb5_err.et
index d332f1b0e..4d6799f64 100644
--- a/lib/krb5/krb5_err.et
+++ b/lib/krb5/krb5_err.et
@@ -51,7 +51,7 @@ error_code ERR_BADVERSION,	"Protocol version mismatch"
 error_code ERR_MSG_TYPE,	"Invalid message type"
 error_code ERR_MODIFIED,	"Message stream modified"
 error_code ERR_BADORDER,	"Message out of order"
-error_code ERR_ILL_CR_TKT,	"Illegal cross-realm ticket"
+error_code ERR_ILL_CR_TKT,	"Invalid cross-realm ticket"
 error_code ERR_BADKEYVER,	"Key version is not available"
 error_code ERR_NOKEY,		"Service key not available"
 error_code ERR_MUT_FAIL,	"Mutual authentication failed"
@@ -78,7 +78,7 @@ error_code KRB5_LIBOS_CANTREADPWD,	"Cannot read password"
 error_code KRB5_LIBOS_BADPWDMATCH,	"Password mismatch"
 error_code KRB5_LIBOS_PWDINTR,		"Password read interrupted"
 
-error_code KRB5_PARSE_ILLCHAR,		"Illegal character in component name"
+error_code KRB5_PARSE_ILLCHAR,		"Invalid character in component name"
 error_code KRB5_PARSE_MALFORMED,	"Malformed representation of principal"
 
 error_code KRB5_CONFIG_CANTOPEN,	"Can't open/find configuration file"