diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 67be18c..1bf3f44 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -4,12 +4,12 @@ Feel free to open an issue anytime you wish to ask a question, suggest a feature
 
 # Requirements
 
-1. Be kind, considerate and respectfull.
-2. If editing .rs files, run `rustfmt` on them before commiting.
+1. Be nice to other people.
+2. If editing the Rust source code, remember to run `rustfmt` (otherwise, CI will warn you the code was not properly formatted).
 
-Note that we are using `unstable` features of `rustfmt`, so you will need to change your toolchain to nightly.
+Note: we are using `unstable` features of `rustfmt`! Nightly toolchain is required (will likely be installed automatically, cause the toolchain was specified in the project root).
 
 # Suggestions
 
-1. Ask for some guidance before solving an error if you feel like it.
-2. If editing Rust code, run `clippy` before commiting.
+1. If you wish to, you can ask for some guidance before solving an issue.
+2. Run `cargo clippy` too.