diff --git a/README.md b/README.md
index 12663ba36..a96caac44 100644
--- a/README.md
+++ b/README.md
@@ -197,7 +197,9 @@ there's some command line-fu in here, so I hope you're prepared.
install it through [MSYS2](https://www.msys2.org/), a Linux-like environment for Windows.
follow the guide **up to step 4**. **do NOT start MSYS2 from the installer** as this will start the wrong environment and prevent you from going further.
-MSYS2 provides a variety of environments, but we'll work with the MINGW64 one. don't "run MSYS2 now". go to the Start menu and launch MSYS2 with the MINGW64 environment (blue icon).
+MSYS2 provides a variety of environments, but we'll work with the MINGW64 one.
+these environments can be found in the Start menu, in a folder MSYS2 has created for you.
+don't "run MSYS2 now". go to the Start menu and launch MSYS2 with the MINGW64 environment (blue icon).
**it is extremely important that you use this environment**. the one that MSYS2 starts with by default (UCRT64) is NOT suitable for this task and will NOT work.
we'll install a couple packages, including GCC, CMake, Git and Ninja.