Use "the PATH" instead of "$PATH"

* Since $PATH is a Unix-specific syntax.

README.md

@@ -1,8 +1,8 @@
 # use-ruby
 
-This action downloads a prebuilt ruby and adds it to `$PATH`.
+This action downloads a prebuilt ruby and adds it to the `PATH`.
 
-It is very efficient and takes about 5 seconds to download, extract and add the given Ruby to `$PATH`.
+It is very efficient and takes about 5 seconds to download, extract and add the given Ruby to the `PATH`.
 No extra packages need to be installed.
 
 ### Supported Versions

action.yml

@@ -1,5 +1,5 @@
 name: 'Setup Ruby, JRuby and TruffleRuby'
-description: 'Download a prebuilt Ruby and add it to $PATH in 5 seconds'
+description: 'Download a prebuilt Ruby and add it to the PATH in 5 seconds'
 author: 'Benoit Daloze'
 branding:
   color: red

package.json

@@ -1,7 +1,7 @@
 {
   "name": "use-ruby-action",
   "version": "0.1.0",
-  "description": "Download a prebuilt ruby and add it to $PATH",
+  "description": "Download a prebuilt Ruby and add it to the PATH in 5 seconds",
   "main": "index.js",
   "scripts": {
     "lint": "eslint *.js",