revert unwanted whitespace

Author: timothypratley

README.md

@@ -60,7 +60,7 @@ unless a different image is listed in the metadata.
  :many-others ["see the examples" "creative uses" "visual variety"]}
 ```
 
-**Optional:** [Setup your editor with Clay shortcuts](https://scicloj.github.io/clay/#setup) to visualize the notebook as you write.
+**Optional:** [Set up your editor with Clay shortcuts](https://scicloj.github.io/clay/#setup) to visualize the notebook as you write.
 
 **Optional:** Preview the final website.
 
@@ -85,8 +85,7 @@ To create a pull request
 3. push the branch to your fork
 4. and then open a pull request on GitHub to propose merging your changes into the Civitas main branch.
 
-Please contact [@timothypratley](https://github.com/timothypratley) if you are having any difficulty submitting a
-notebook.
+Please contact [@timothypratley](https://github.com/timothypratley) if you are having any difficulty submitting a notebook.
 
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