diff --git a/build_scripts/Windows-msys2/WindowsMSys2_InstallGuide.md b/build_scripts/Windows-msys2/WindowsMSys2_InstallGuide.md
index 4910332b0..847b01db6 100644
--- a/build_scripts/Windows-msys2/WindowsMSys2_InstallGuide.md
+++ b/build_scripts/Windows-msys2/WindowsMSys2_InstallGuide.md
@@ -44,7 +44,7 @@ Install the default programs needed to build:
 
 Install the 64-bit toolchain:
 
-	mingw-w64-ucrt-x86_64-toolchain
+	pacman -S mingw-w64-ucrt-x86_64-toolchain
 
 Install all needed dependencies: