diff --git a/README.md b/README.md
index a3bc980..ddba445 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ This project aims to both complete the VWF codebase and to provide a tool for tr
 - [armips](https://github.com/Kingcom/armips)
 - Unmodified MOTHER 1+2 ROM (SHA-1 `F27336B9...`)
 - Unmodified, unheadered EarthBound ROM (SHA-1 `D67A8EF3...`)
-- Optional, for building the GUI script tool: [.NET Core 3.0 or later](https://dotnet.microsoft.com/download/dotnet-core/3.0)
+- (Optional) For building the GUI script tool: [.NET Core 3.0 or later](https://dotnet.microsoft.com/download/dotnet-core/3.0)
 
 1. One-time setup
     1. Install .NET Core 2.1, PowerShell Core, and GNU Arm Embedded Toolchain.
@@ -48,3 +48,4 @@ This project aims to both complete the VWF codebase and to provide a tool for tr
 2. Building the ROM
     1. Run `build.ps1` (like in Step 4).
     2. The default compiled ROM is copied to `bin/m12.gba`.
+3. (Optional) Build the GUI script tool with `dotnet build tools/ScriptToolGui -o bin/ScriptToolGui`, then run it with `dotnet bin/ScriptToolGui/ScriptToolGui.dll` (or just run the EXE file directly).
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