Updated README to account for changes in MSYS2

One of the newest versions of MSYS2 now only has one .cmd file which replaces the old bat files. It has to be used to launch the mingw32/64 shell.

diff --git a/README.md b/README.md
index 4e476b4f357ec945f44747f8526cde2f4032088a..80d2b7c42d8d4dc464f6aa770f21ec4571fe6457 100644 (file)
--- a/README.md
+++ b/README.md
@@ -90,6 +90,8 @@ installing from pacman should be just fine.
 
 3. Run `mingw32_shell.bat` or `mingw64_shell.bat` from wherever you installed
    MSYS2 (i.e. `C:\msys`), depending on whether you want 32-bit or 64-bit Rust.
+   (As of the latest version of MSYS2 you have to run `msys2_shell.cmd -mingw32`
+   or `msys2_shell.cmd -mingw64` from the command line instead)
 
 4. Navigate to Rust's source code, configure and build it: