rename development-mode -> environment

docs/source/for-developers/setup-development-mode.md → docs/source/for-developers/setup-environment.md

@@ -1,12 +1,14 @@
-# Development Mode
+# Set up Developer Environment
 
 Instructions for setting up development or "editable" mode are given below.
-This is a method of pip-installing pointed at your local repository so you can iterate code and import changes for testing.
+This is a method of pip-installing the code in your local repository.
+This allows you to change the code locally and access your changes in a python environment for testing.
 
-See also: [Python Packaging User Guide](https://packaging.python.org/en/latest/).
+
+See also [Python Packaging User Guide](https://packaging.python.org/en/latest/).
 
 When you are ready to release a new version of `pittgoogle-client`, publish to PyPI using the release
-process described in [issues #7](https://github.com/mwvgroup/pittgoogle-client/pull/7).
+process described in [pull #7](https://github.com/mwvgroup/pittgoogle-client/pull/7).
 
 ## Setup