fix path and rename binder badge

README.md

@@ -13,7 +13,7 @@ install.packages(paks)
 
 ``` 
 
-3. Open the `shiny_tutorial.Rmd` 
+3. Open the `shiny_tutorial/shiny_tutorial.Rmd` 
 4. Execute the shiny tutorial using the button `Run the document`
 5. Follow the steps and complete the exercises  
 
@@ -45,6 +45,6 @@ You need to follow some extra-steps:
 
 Click on the following badge to run the tutorial on binder, it will open a new tab in your browser and you can start the tutorial from there:
   
-[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/jos4uke/shiny_tutorial.git/binder_test?urlpath=shiny/shiny_tutorial/)
+[![Shiny tutorial on Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/jos4uke/shiny_tutorial.git/binder_test?urlpath=shiny/shiny_tutorial/)
   
 Be patient, it could take a while to deploy the tutorial code on mybinder.org.