fix some typos (#279)

Author: striezel

README.md

@@ -75,7 +75,7 @@ blake2 = "0.9"
 ```
 
 Note that crates in this repository have an enabled by default `std` feature.
-So if you plan to use the crate in `no_std` enviroments, don't forget to disable it:
+So if you plan to use the crate in `no_std` environments, don't forget to disable it:
 
 ```toml
 [dependencies]
@@ -116,7 +116,7 @@ let hash = Blake2b::new()
 println!("Result: {:x}", hash);
 ```
 
-If the whole message is available you also can use convinience `digest` method:
+If the whole message is available you also can use convenience `digest` method:
 
 ```Rust
 use blake2::{Blake2b, Digest};

shabal/README.md

@@ -20,8 +20,8 @@ There are 5 standard algorithms specified in the Shabal standard:
 * `Shabal384`, which is the `Shabal` algorithm with the result truncated to 384 bits.
 * `Shabal512`, which is the `Shabal` algorithm with the result not truncated.
 
-There is a single Shabal algorithm. All variants have different intialisation and apart
-Shabal512 truncate the result.
+There is a single Shabal algorithm. All variants have different initialisation and apart
+from Shabal512 all truncate the result.
 
 ## Usage
 

shabal/src/lib.rs

@@ -8,8 +8,8 @@
 //! * `Shabal384`, which is the `Shabal` algorithm with the result truncated to 384 bits.
 //! * `Shabal512`, which is the `Shabal` algorithm with the result not truncated.
 //!
-//! There is a single Shabal algorithm. All variants have different intialisation and apart
-//! Shabal512 truncate the result.
+//! There is a single Shabal algorithm. All variants have different initialisation and apart
+//! from Shabal512 all truncate the result.
 //!
 //! # Usage
 //!