diff --git a/examples/errors/errors.go b/examples/errors/errors.go
index 273ac12..40198aa 100644
--- a/examples/errors/errors.go
+++ b/examples/errors/errors.go
@@ -1,13 +1,13 @@
+// Errors by return value...
+
 package main
 
-import (
-    "errors"
-    "fmt"
-)
+import "errors"
+import "fmt"
 
 func myFun(arg int) (int, error) {
     if arg == 42 {
-        return -1, errors.New("Can't work with 42")
+        return -1, errors.New("can't work with 42")
 
     }
     return arg + 3, nil
@@ -22,4 +22,5 @@ func main() {
 }
 
 // todo: custom errors
+
 // todo: data conveying errors