Apply suggestions from code review

Co-authored-by: David Nicholson <[email protected]>

Author: lwasser

package-structure-code/intro.md

@@ -35,7 +35,7 @@ In this section of our Python packaging guide, we:
 
 The flexibility of the Python programming language lends itself to a diverse
 range of tool options for creating a Python package. Python is so flexible that
-it is one of the few languages that can be used to wrap around other languages.
+it is one of the few languages that can be used to wrap around other languages. The ability of Python to wrap other languages one the reasons why you will often hear Python described as a ["glue" language](https://numpy.org/doc/stable/user/c-info.python-as-glue.html)"
 
 If you are building a pure Python package, then your packaging setup can be
 simple. However, some scientific packages have complex requirements as they may

package-structure-code/pyproject-toml-python-package-metadata.md

@@ -5,8 +5,8 @@ metadata is called a **pyproject.toml**](https://packaging.python.org/en/latest/
 and package dependencies to a **pyproject.toml** file replaces storing that
 information in a setup.py or setup.cfg file.
 
-The **pyproject.toml** file is written in [TOML (Tom's Obvious, Minimal Language) format](https://toml.io/en/). TOML is an easy-to-read structure that is founded on key: value pairs. Each section in the **pyproject.toml** file contains a `[table identifier]`.
-Below that table identifier are key value pairs that
+The **pyproject.toml** file is written in [TOML (Tom's Obvious, Minimal Language) format](https://toml.io/en/). TOML is an easy-to-read structure that is founded on key/value pairs. Each section in the **pyproject.toml** file contains a `[table identifier]`.
+Below that table identifier are key/value pairs that
 support configuration for that particular table.
 
 ### Benefits of using a pyproject.toml file
@@ -61,7 +61,7 @@ Notice that dependencies are specified in this file.
 ### Example pyproject.toml for building using setuptools
 
 The package metadata including authors, keywords, etc is also easy to read.
-Below you can see the same toml file that uses a different build system (setuptools).
+Below you can see the same TOML file that uses a different build system (setuptools).
 Notice how simple it is to swap out the tools needed to build this package!
 
 In this example package setup you use: