diff --git a/README.md b/README.md
index 5d0a841..322aa6b 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ Enumer is a tool to generate Go code that adds useful methods to Go enums (const
 It started as a fork of [Rob Pike’s Stringer tool](https://godoc.org/golang.org/x/tools/cmd/stringer).
 
 ##Generated functions and methods
-When Enumer is applied to a type, it will generate three methods and one function:
+When Enumer is applied to a type, it will generate:
 
 * A method `String()` that returns the string representation of the enum value. This makes the enum conform
 the `Stringer` interface, so whenever you print an enum value, you'll get the string name instead of a number.
@@ -11,8 +11,8 @@ the `Stringer` interface, so whenever you print an enum value, you'll get the st
 when you need to read enum values from the command line arguments, from a configuration file, 
 from a REST API request... In short, from those places where using the real enum value (an integer) would 
 be almost meaningless or hard to trace or use by a human.
-* And two more methods, `MarshalJSON()` and `UnmarshalJSON()`, that makes the enum conform 
-the `json.Marshaler` and `json.Unmarshaler` interfaces. Very useful to use it in JSON APIs.
+* When the flag `json` is provided, two more methods will be generated, `MarshalJSON()` and `UnmarshalJSON()`. Those make
+the enum conform the `json.Marshaler` and `json.Unmarshaler` interfaces. Very useful to use it in JSON APIs.
 
 For example, if we have an enum type called `Pill`,
 ```go
@@ -26,7 +26,7 @@ const (
 	Acetaminophen = Paracetamol
 )
 ```
-executing `enumer -type=Pill` will generate a new file with four methods:
+executing `enumer -type=Pill -json` will generate a new file with four methods:
 ```go
 func (i Pill) String() string {
     //...
@@ -72,8 +72,7 @@ The generated code is exactly the same as the Stringer tool plus the mentioned a
 The usage of Enumer is the same as Stringer, so you can refer to the [Stringer docs](https://godoc.org/golang.org/x/tools/cmd/stringer)
 for more information.
 
-There is only one flag added: `noJSON`. If this flag is set to true (i.e. `enumer -type=Pill -noJSON`), 
-the JSON related methods won't be generated.
+As mentioned before, there is only one flag added: `json`.
 
 ## Inspiring projects
 * [Stringer](https://godoc.org/golang.org/x/tools/cmd/stringer)
diff --git a/golden_test.go b/golden_test.go
index 21d2684..500abd6 100644
--- a/golden_test.go
+++ b/golden_test.go
@@ -30,7 +30,7 @@ var golden = []Golden{
 	{"prime", prime_in, prime_out},
 }
 
-var goldenJSON = []Golden {
+var goldenJSON = []Golden{
 	{"prime", prime_json_in, prime_json_out},
 }
 
diff --git a/stringer.go b/stringer.go
index 105c108..df4cbbc 100644
--- a/stringer.go
+++ b/stringer.go
@@ -82,7 +82,7 @@ import (
 
 var (
 	typeNames = flag.String("type", "", "comma-separated list of type names; must be set")
-	noJSON    = flag.Bool("noJSON", false, "if true, json marshaling methods will NOT be included. Default: false")
+	json      = flag.Bool("json", false, "if true, json marshaling methods will be generated. Default: false")
 	output    = flag.String("output", "", "output file name; default srcdir/<type>_string.go")
 )
 
@@ -134,13 +134,13 @@ func main() {
 	g.Printf("package %s", g.pkg.name)
 	g.Printf("\n")
 	g.Printf("import \"fmt\"\n") // Used by all methods.
-	if !*noJSON {
+	if *json {
 		g.Printf("import \"encoding/json\"\n")
 	}
 
 	// Run generate for each type.
 	for _, typeName := range types {
-		g.generate(typeName, !*noJSON)
+		g.generate(typeName, *json)
 	}
 
 	// Format the output.