diff --git a/README.md b/README.md
index 141e748..ceea58d 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+***This application is still under development. Currently, the `append` subcommand shows some problems.***
+
 # footswitch-rs
 
 This repository contains a C to Rust translation of the GitHub repository [rgerganov/footswitch](https://github.com/rgerganov/footswitch). Although I use footswitch-rs myself to manage my footswitch, the main purpose of its development was to practice Rust. Since I do not possess Apple hardware, I did not test this application on MacOS (unlike [rgerganov](https://github.com/rgerganov) did with the original footswitch). However, with some modifications, footswitch-rs should run on MacOS as well.
@@ -16,7 +18,7 @@ footswitch-rs can also be used together with [VIM Clutch](https://github.com/ale
 First, make sure that Rust is installed on your computer.
 
 ```bash
-curl https://sh.rustup.rs -sSf | sh>
+curl https://sh.rustup.rs -sSf | sh
 ```
 
 Then, clone this repository and use cargo to build it: