Update README.md
diff --git a/README.md b/README.md
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@@ -4,7 +4,7 @@ This library is a cheap wrapper around otpauth, qrcode and image to seamlessly m
## How to use
-Add this to your Cargo.toml
+Add it to your `Cargo.toml`:
```toml
[dependencies.totp]
git = "https://github.com/constantoine/totp-rs"