diff --git a/index.js b/index.js
index 928e24c..0892a3d 100644
--- a/index.js
+++ b/index.js
@@ -1,7 +1,9 @@
 const yaml = require("yaml");
 
-module.exports.readVersion = contents => yaml.parse(contents, "utf8").version;
+// Get the current version in the yaml file.
+module.exports.readVersion = (contents) => yaml.parse(contents, "utf8").version;
 
+// Update the version in the yaml file.
 module.exports.writeVersion = (contents, version) => {
   const yamlFile = yaml.parse(contents, "utf8");
   yamlFile.version = version;