diff --git a/SMBolero.Client/Main.fs b/SMBolero.Client/Main.fs
index eb3f9b53..6c321a9e 100644
--- a/SMBolero.Client/Main.fs
+++ b/SMBolero.Client/Main.fs
@@ -9,6 +9,7 @@ open Bolero.Templating.Client
 /// Routing endpoints definition.
 type Page =
     | [<EndPoint "?main">] Home
+    | [<EndPoint "?flags">] FlagPage
     | [<EndPoint "?help">] Help
 
 /// The Elmish application's model.
@@ -76,6 +77,11 @@ let aboutPage model dispatch =
     Main.About()
         .Elt()
 
+let flagPage model dispatch =
+    Main.FlagPage()
+        .FlagHelp(Options.flagsHelp.Value)
+        .Elt()
+
 let homePage model dispatch =
     Main.Home()
         .Minify(fun _ -> dispatch Minify)
@@ -94,12 +100,14 @@ let view model dispatch =
     Main()
         .Menu(concat {
             menuItem model Home "Minifier"
+            menuItem model FlagPage "Flags"
             menuItem model Help "Help"
         })
         .Body(
             cond model.page <| function
             | Home -> homePage model dispatch
             | Help -> aboutPage model dispatch
+            | FlagPage -> flagPage model dispatch
         )
         .Error(
             cond model.error <| function
diff --git a/SMBolero.Client/wwwroot/index.html b/SMBolero.Client/wwwroot/index.html
index aa6ef96e..97d1a100 100644
--- a/SMBolero.Client/wwwroot/index.html
+++ b/SMBolero.Client/wwwroot/index.html
@@ -3,7 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>Bolero Application</title>
+    <title>Shader Minifier</title>
     <link rel="stylesheet" href="css/index.css">
 </head>
 <body>
diff --git a/SMBolero.Client/wwwroot/main.html b/SMBolero.Client/wwwroot/main.html
index 7ec29d92..174a6c7a 100644
--- a/SMBolero.Client/wwwroot/main.html
+++ b/SMBolero.Client/wwwroot/main.html
@@ -23,17 +23,25 @@ <h1>Menu</h1>
       </div>
 
       <template id="Home">
-        <h1 class="title">Shader Minifier</h1>
+        <h1>Shader Minifier</h1>
         <p>
             <textarea rows="15" id="input" bind="${ShaderInput}"></textarea>
             <input type="text" style="width: 50%" name="flags" bind="${Flags}" />
             <button onclick="${Minify}" class="button">Minify!</button>
             <textarea rows="15" readonly>${ShaderOutput}</textarea>
+        <p>
+            Tip: use the flags <code>--format indented --no-renaming</code> for debugging.
         </p>
       </template>
 
+      <template id="FlagPage">
+          <h1>Flags</h1>
+
+          <pre>${FlagHelp}</pre>
+      </template>
+
       <template id="About">
-          <h1 class="title">About</h1>
+          <h1>About</h1>
           <div class="content">
 
               <p>
@@ -44,14 +52,9 @@ <h1 class="title">About</h1>
               <p>
                   See <a href="https://github.com/laurentlb/Shader_Minifier">Shader Minifier</a>
                   on GitHub for more information about the tool.
-                  If you use it frequently, you might want to download Shader Minifier and run it on your computer.
-                  as it has more features and can be integrated in your toolchain.
-              </p>
-
-              <p>
-                  This version of Shader Minifier was compiled to WebAssembly, and can be used offline.
-                  Some features are still missing, in particular settings are not yet available here.
-                  Follow <a href="https://github.com/laurentlb/Shader_Minifier/issues/145">issue #145</a> on GitHub for updates.
+                  This version of Shader Minifier was compiled to WebAssembly, and runs entirely in the browser.
+                  If you use it frequently, you might want to download the Shader Minifier binary and run it on your computer,
+                  as it can be integrated in your toolchain.
               </p>
 
               <p>
diff --git a/src/options.fs b/src/options.fs
index 62e43a3e..9494d8b9 100644
--- a/src/options.fs
+++ b/src/options.fs
@@ -81,20 +81,22 @@ module Globals =
 
 open Globals
 
-let private initPrivate argv needFiles =
-    let argParser = ArgumentParser.Create<CliArguments>(
+let helpTextMessage = sprintf "Shader Minifier %s - https://github.com/laurentlb/Shader_Minifier" version
+
+let private argParser = lazy (
+    ArgumentParser.Create<CliArguments>(
         programName = "Shader Minifier",
-        helpTextMessage =
-            sprintf "Shader Minifier %s - https://github.com/laurentlb/Shader_Minifier" version)
+        helpTextMessage = helpTextMessage))
 
-    let args = argParser.Parse(argv)
+let private initPrivate argv needFiles =
+    let args = argParser.Value.Parse(argv)
 
     let opt = args.GetResult(NoRenamingList, defaultValue = "main")
     let noRenamingList = [for i in opt.Split([|','|]) -> i.Trim()]
     let filenames = args.GetResult(Filenames, defaultValue=[]) |> List.toArray
 
     if filenames.Length = 0 && needFiles then
-        printfn "%s" (argParser.PrintUsage(message = "Missing parameter: the list of shaders to minify"))
+        printfn "%s" (argParser.Value.PrintUsage(message = "Missing parameter: the list of shaders to minify"))
         false
     else
         options.outputName <- args.GetResult(OutputName, defaultValue = "shader_code.h")
@@ -115,5 +117,7 @@ let private initPrivate argv needFiles =
         options.filenames <- filenames
         true
 
+let flagsHelp = lazy (argParser.Value.PrintUsage(message = helpTextMessage))
+
 let init argv = initPrivate argv false |> ignore
 let initFiles argv = initPrivate argv true
