bump version

Author: wakeful

README.md

@@ -2,7 +2,7 @@
 
 A small tool for converting YAML files into JSON.
 
-## Installation 
+## Installation
 
 macOS
 ```
@@ -12,7 +12,7 @@ $ brew install yaml2json
 
 Linux
 ```
-curl -Lo yaml2json https://github.com/wakeful/yaml2json/releases/download/0.1.0/yaml2json-linux-amd64 && chmod +x yaml2json && sudo mv yaml2json /usr/local/bin/
+curl -Lo yaml2json https://github.com/wakeful/yaml2json/releases/download/0.4.0/yaml2json-linux-amd64 && chmod +x yaml2json && sudo mv yaml2json /usr/local/bin/
 ```
 
 src
@@ -31,4 +31,3 @@ or specify a file:
 ```
 yaml2json path/file.yml
 ```
-