Merge pull request #400 from codebar/update-slack-url

update slack url

Author: matyikriszta

README.md

@@ -10,8 +10,8 @@ indicated in `.ruby-version`, as well as the [bundler](https://bundler.io/) gem.
 2. `bundle exec jekyll serve --watch`
 3. go to <http://localhost:4000>
 
-(*you could also use your favorite manager, `chruby`, `rbenv`, `rvm`, etc. See
-intructions for `rvm` at the end of this README*)
+(*you could also use your favourite manager, `chruby`, `rbenv`, `rvm`, etc. See
+instructions for `rvm` at the end of this README*)
 
 If you are just updating or adding new tutorials, follow steps 1 to 3 only.
 
@@ -41,7 +41,7 @@ You can go to the general [codebar Slack channel here](https://codebar.slack.com
 dedicated [tutorials channel here](https://codebar.slack.com/messages/tutorials/). Use it to get in touch
 and chat to other codebar students/coaches, or if you need help.
 
-If you are not on Slack use [this link](http://codebar-slack.herokuapp.com/) to get an invite.
+If you are not on Slack use [this link](https://slack.codebar.io/) to get an invite.
 
 ## Contributing
 
@@ -117,7 +117,7 @@ And you're done. Commit and push as usual.
 
 # RVM
 
-Another way of installing the project depdendencies is via [RVM](https://rvm.io/rvm/install).
+Another way of installing the project dependencies is via [RVM](https://rvm.io/rvm/install).
 Follow the [quick installation guide](https://rvm.io/rvm/install#quick-guided-install) and then run:
 
 ```bash

index.html

@@ -25,7 +25,7 @@ <h1>codebar tutorials</h1>
       <section>
         <p class="lead">
           Are you working on the tutorials on your own time?
-          <a href="https://codebar-slack.herokuapp.com/" target="_blank">Join the codebar community on Slack</a>
+          <a href="https://slack.codebar.io/" target="_blank">Join the codebar community on Slack</a>
           to get help and discuss anything with students or coaches!
         </p>