diff --git a/lib/krb5/krb5.conf.5 b/lib/krb5/krb5.conf.5
index 6c5cfbad3..83e4e602b 100644
--- a/lib/krb5/krb5.conf.5
+++ b/lib/krb5/krb5.conf.5
@@ -43,7 +43,7 @@ name:
 
 .Ed
 .Li STRINGs
-consists of one or more non-white space characters.
+consists of one or more non-whitespace characters.
 Currently recognised sections and bindings are:
 .Bl -tag -width "xxx" -offset indent
 .It Li [appdefaults]