diff --git a/examples/basics/password.pl b/examples/basics/password.pl
index 7322247..55d5054 100644
--- a/examples/basics/password.pl
+++ b/examples/basics/password.pl
@@ -1,13 +1,13 @@
 login :-
-    getdata(_, _),
+    getdata,
     writeln('Welcome!').
 login :-
     repeat,
     writeln('Sorry, you are not permitted.'),
-    getdata(_, _),
+    getdata,
     writeln('Welcome').
 
-getdata(Name, Password) :-
+getdata :-
     write('Username: '),
     read(Name),
     write('Password: '),
diff --git a/examples/demo.pl b/examples/demo.pl
index 229e584..ce07040 100644
--- a/examples/demo.pl
+++ b/examples/demo.pl
@@ -155,7 +155,7 @@ continue :-
     write('Write anything to continue... '),
     read(_).
 
-clear :- clear(30).
+clear :- clear(50).
 
 clear(0) :- !.
 clear(N) :-