Updated docs to 0.3.1

content/docs/index.mdx

@@ -11,7 +11,7 @@ Mist is currently distributed as a Cargo crate. To get started, you'll need to h
 Run the following command to install the Mist compiler:
 
 ```bash title="Terminal"
-cargo install mist-lang@0.0.5-alpha0
+cargo install mist-lang@0.3.1-alpha.0
 ```
 
 Once the installation finishes, verify it by checking the version:
@@ -54,7 +54,7 @@ Source files go in `src/` and the transpiled output goes to `.mist/src/`. Non-Mi
 Create a new file at `src/main.mist` and add the following code:
 
 ```mist title="src/main.mist"
-void main() {
+fn main() {
     println!("Hello World!");
 }
 ```