Fixing fmt.

Author: Narsil

tokenizers/src/lib.rs

@@ -125,6 +125,7 @@
 //! **progressbar**: The progress bar visualization is enabled by default. It might be disabled if
 //!   compilation for certain targets is not supported by the [termios](https://crates.io/crates/termios)
 //!   dependency of the [indicatif](https://crates.io/crates/indicatif) progress bar.
+//!
 //! **http**: This feature enables downloading the tokenizer via HTTP. It is disabled by default.
 //!   With this feature enabled, `Tokenizer::from_pretrained` becomes accessible.