Update README.md

Author: joshuacwnewton

README.md

@@ -19,7 +19,7 @@ If you've written or modified a tutorial for SCT, you'll need to do 4 things:
     * Be sure to specify each file that needs to be present in order to complete your tutorial.
     * Try to re-use the intermediate files generated by earlier tutorial commands. (If you can't, you may commit new files to this repo.)
     * All of the files you specify will be packaged into a `.zip` download that you can link to at the start of your tutorial.
-3. Create a new release by clicking "Run workflow" on [this GitHub Actions page](https://github.com/spinalcordtoolbox/sct_tutorial_data/actions/workflows/create_release.yml))
+3. Create a new release by clicking "Run workflow" on [this GitHub Actions page](https://github.com/spinalcordtoolbox/sct_tutorial_data/actions/workflows/create_release.yml).
     * First, it executes the [`batch_single_subject.sh`](https://github.com/spinalcordtoolbox/sct_tutorial_data/blob/master/single_subject/batch_single_subject.sh) script to generate all of the necessary files.
     * Then, it packages up sets of data files into `.zip` downloads. 
     * Finally, it creates a new release with the tutorial-specific `.zip` files attached.