diff --git a/README.markdown b/README.markdown
index bd57387..fe8e1bd 100644
--- a/README.markdown
+++ b/README.markdown
@@ -20,8 +20,10 @@ Run something in the VM
 
 Get a value out of the VM
 
-    value, err := vm.Get("abc")
-    	value, _ := value.ToInteger()
+    if value, err := vm.Get("abc"); err == nil {
+    	if value_int, err := value.ToInteger(); err == nil {
+    	    fmt.Printf("", value_int, err)
+    	}
     }
 
 Set a number