diff --git a/documentation/Fl.html b/documentation/Fl.html
index 1e137130d..eb804cb1c 100644
--- a/documentation/Fl.html
+++ b/documentation/Fl.html
@@ -162,7 +162,7 @@ void callback(void*) {
 }
 
 main() {
-  Fl::add_check(1.0,callback);
+  Fl::add_check(callback);
   return Fl::run();
 }
 </PRE></UL>