diff --git a/examples/command-line-subcommands/command-line-subcommands.go b/examples/command-line-subcommands/command-line-subcommands.go
index af57b21..e2d41ed 100644
--- a/examples/command-line-subcommands/command-line-subcommands.go
+++ b/examples/command-line-subcommands/command-line-subcommands.go
@@ -8,50 +8,50 @@
 package main
 
 import (
-    "flag"
-    "fmt"
-    "os"
+	"flag"
+	"fmt"
+	"os"
 )
 
 func main() {
 
-    // We declare a subcommand using the `NewFlagSet`
-    // function, and proceed to define new flags specific
-    // for this subcommand.
-    fooCmd := flag.NewFlagSet("foo", flag.ExitOnError)
-    fooEnable := fooCmd.Bool("enable", false, "enable")
-    fooName := fooCmd.String("name", "", "name")
+	// We declare a subcommand using the `NewFlagSet`
+	// function, and proceed to define new flags specific
+	// for this subcommand.
+	fooCmd := flag.NewFlagSet("foo", flag.ExitOnError)
+	fooEnable := fooCmd.Bool("enable", false, "enable")
+	fooName := fooCmd.String("name", "", "name")
 
-    // For a different subcommand we can define different
-    // supported flags.
-    barCmd := flag.NewFlagSet("bar", flag.ExitOnError)
-    barLevel := barCmd.Int("level", 0, "level")
+	// For a different subcommand we can define different
+	// supported flags.
+	barCmd := flag.NewFlagSet("bar", flag.ExitOnError)
+	barLevel := barCmd.Int("level", 0, "level")
 
-    // The subcommand is expected as the first argument
-    // to the program.
-    if len(os.Args) < 2 {
-        fmt.Println("expected 'foo' or 'bar' subcommands")
-        os.Exit(1)
-    }
+	// The subcommand is expected as the first argument
+	// to the program.
+	if len(os.Args) < 2 {
+		fmt.Println("expected 'foo' or 'bar' subcommands")
+		os.Exit(1)
+	}
 
-    // Check which subcommand is invoked.
-    switch os.Args[1] {
+	// Check which subcommand is invoked.
+	switch os.Args[1] {
 
-    // For every subcommand, we parse its own flags and
-    // have access to trailing positional arguments.
-    case "foo":
-        fooCmd.Parse(os.Args[2:])
-        fmt.Println("subcommand 'foo'")
-        fmt.Println("  enable:", *fooEnable)
-        fmt.Println("  name:", *fooName)
-        fmt.Println("  tail:", fooCmd.Args())
-    case "bar":
-        barCmd.Parse(os.Args[2:])
-        fmt.Println("subcommand 'bar'")
-        fmt.Println("  level:", *barLevel)
-        fmt.Println("  tail:", barCmd.Args())
-    default:
-        fmt.Println("expected 'foo' or 'bar' subcommands")
-        os.Exit(1)
-    }
+	// For every subcommand, we parse its own flags and
+	// have access to trailing positional arguments.
+	case "foo":
+		fooCmd.Parse(os.Args[2:])
+		fmt.Println("subcommand 'foo'")
+		fmt.Println("  enable:", *fooEnable)
+		fmt.Println("  name:", *fooName)
+		fmt.Println("  tail:", fooCmd.Args())
+	case "bar":
+		barCmd.Parse(os.Args[2:])
+		fmt.Println("subcommand 'bar'")
+		fmt.Println("  level:", *barLevel)
+		fmt.Println("  tail:", barCmd.Args())
+	default:
+		fmt.Println("expected 'foo' or 'bar' subcommands")
+		os.Exit(1)
+	}
 }
diff --git a/public/command-line-subcommands b/public/command-line-subcommands
index f53c19f..4a0542d 100644
--- a/public/command-line-subcommands
+++ b/public/command-line-subcommands
@@ -218,7 +218,7 @@ have access to trailing positional arguments.</p>
 <span class="go">flag provided but not defined: -enable</span>
 <span class="go">Usage of bar:</span>
 <span class="go">  -level int</span>
-<span class="go">    	level</span>
+<span class="go">        level</span>
 </pre></div>
 
           </td>