fix readme release links

README.md

@@ -6,10 +6,10 @@ Slackcat is a simple commandline utility to post snippets to Slack.
 
 
 ## Installing
-Download the latest release for your platform:
+Download the [latest release](https://github.com/bcicen/slackcat/releases) for your platform:
 
 ```bash
-curl -Lo slackcat https://github.com/bcicen/slackcat/releases/download/v1.7.1/slackcat-1.7.1-$(uname -s)-amd64
+curl -Lo slackcat https://github.com/bcicen/slackcat/releases/download/1.7.1/slackcat-1.7.1-$(uname -s)-amd64
 sudo mv slackcat /usr/local/bin/
 sudo chmod +x /usr/local/bin/slackcat
 ```