diff --git a/README.md b/README.md
index 0a08767dc74..9e54704a5eb 100644
--- a/README.md
+++ b/README.md
@@ -73,7 +73,7 @@ Read ["Installing Rust"] from [The Book].
    ```
 
 3. Run `mingw32_shell.bat` or `mingw64_shell.bat` from wherever you installed
-   MYSY2 (i.e. `C:\msys`), depending on whether you want 32-bit or 64-bit Rust.
+   MSYS2 (i.e. `C:\msys`), depending on whether you want 32-bit or 64-bit Rust.
 
 4. Navigate to Rust's source code, configure and build it: