Fixed documentation

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "totp-rs"
-version = "0.3.1"
+version = "0.3.2"
 authors = ["Cleo Rebert <cleo.rebert@gmail.com>"]
 edition = "2018"
 readme = "README.md"
@@ -11,6 +11,8 @@ homepage = "https://github.com/constantoine/totp-rs"
 keywords = ["authentification", "2fa", "totp", "hmac"]
 categories = ["authentication", "web-programming"]
 
+[package.metadata.docs.rs]
+features = [ "qr" ]
 
 [features]
 default = []

src/lib.rs

@@ -2,7 +2,7 @@
 //!
 //! # Examples
 //!
-//! ```
+//! ```rust
 //! use std::time::SystemTime;
 //! use totp_rs::{Algorithm, TOTP};
 //! 
@@ -23,7 +23,7 @@
 //! println!("{}", token);
 //! ```
 //!
-//! ```
+//! ```rust
 //! use totp_rs::{Algorithm, TOTP};
 //!
 //! let username = "example".to_owned();
@@ -157,7 +157,7 @@ impl TOTP {
         )
     }
 
-    /// Will return a qrcode to automatically add a TOTP as a base64 string. Needs feature "qr" to be set. It is by default
+    /// Will return a qrcode to automatically add a TOTP as a base64 string. Needs feature `qr` to be enabled!
     ///
     /// # Errors
     ///