Update fibers.html

docs/fibers.html

@@ -90,9 +90,9 @@
 		});
 
 		System.print("main 1");
-		fiber()
+		fiber.call()
 		System.print("main 2");
-		fiber()
+		fiber.call()
 		System.print("main 3");
 	}
 	// Output:
@@ -102,7 +102,6 @@
 	// fiber 2
 	// main 3
 			</code></pre>
-			<p>TO DO: more explanations and examples</p>
          	</div>
          	<!-- END CONTENT -->