diff --git a/Cargo.lock b/Cargo.lock
index 032dbb5..6b3829f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -478,7 +478,7 @@ checksum = "6a987beff54b60ffa6d51982e1aa1146bc42f19bd26be28b0586f252fccf5317"
 
 [[package]]
 name = "light-openid"
-version = "0.1.0-alpha"
+version = "0.2.0-alpha"
 dependencies = [
  "aes-gcm",
  "base64",
diff --git a/Cargo.toml b/Cargo.toml
index 692e97d..68d520c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "light-openid"
-version = "0.1.0-alpha"
+version = "0.2.0-alpha"
 edition = "2021"
 repository = "https://gitea.communiquons.org/pierre/light-openid"
 authors = ["Pierre HUBERT <pierre.git@communiquons.org>"]
diff --git a/src/crypto_wrapper.rs b/src/crypto_wrapper.rs
index 6263712..3e09ba0 100644
--- a/src/crypto_wrapper.rs
+++ b/src/crypto_wrapper.rs
@@ -8,8 +8,11 @@ use base64::Engine as _;
 pub use bincode::{Decode, Encode};
 use rand::Rng;
 
+/// The lenght of the nonce used to initialize encryption
 const NONCE_LEN: usize = 12;
 
+/// CryptoWrapper is a library that can be used to encrypt and decrypt some data marked
+/// that derives [Encode] and [Decode] traits using AES encryption
 pub struct CryptoWrapper {
     key: Key<Aes256Gcm>,
 }
@@ -22,7 +25,7 @@ impl CryptoWrapper {
         }
     }
 
-    /// Encrypt some data
+    /// Encrypt some data, returning the result as a base64-encoded string
     pub fn encrypt<T: Encode + Decode>(&self, data: &T) -> Result<String, Box<dyn Error>> {
         let aes_key = Aes256Gcm::new(&self.key);
         let nonce_bytes = rand::thread_rng().gen::<[u8; NONCE_LEN]>();