Update tutorials/1-installable-code.md

Co-authored-by: Jesse Mostipak <[email protected]>

tutorials/1-installable-code.md

@@ -15,7 +15,7 @@ does this work on windows and mac? i know it works on mac/linux
 
 <img src="../images/tutorials/code-to-script-diagram.png" alt="Diagram showing the basic steps to creating an installable package. There are 4 boxes with arrows pointing towards the right. The boxes read, your code, create package structure, add metadata to pyproject.toml and pip install package." width="700px">
 
-A basic installable package needs a few things. Code, a specific package structure and a `pyproject.toml` containing your package's name and version. Once you have these items in the correct directory structure, you can pip install your package into any environment on your computer.
+A basic installable package needs a few things: code, a specific package structure and a `pyproject.toml` containing your package's name and version. Once you have these items in the correct directory structure, you can pip install your package into any environment on your computer.
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 :::{admonition} Learning Objectives