Typo fix in optional dependency install and consolidate to bash synta…

…x rather than a mix of zsh sytnax.

README.md

@@ -45,10 +45,11 @@ It is recommended to use a virtual environment.
 If you want a local install that you can edit instead, clone the repository,
 navigate to `archeryutils/`, and run:
 
-    python3 -m pip install -e .[test,lint,docs]
+    python3 -m pip install -e .
 
 Please refer to the online documentation for
-[full installation guidance](https://archeryutils.readthedocs.io/en/latest/getting-started/installation.html).
+[full installation guidance](https://archeryutils.readthedocs.io/en/latest/getting-started/installation.html)
+including optional dependencies for developing and testing.
 
 ### Getting Started
 There are examples of some of the different functionalities in the jupyter notebook

docs/getting-started/installation.rst

@@ -27,15 +27,15 @@ install as an editable package::
 
     git clone [email protected]:jatkinson1000/archeryutils.git
     cd archeryutils
-    pip install -e .[test,int,docs]
+    pip install -e .[test,lint,docs]
 
 Testing
 ~~~~~~~
 
 To run tests on a development installation either install
 `pytest <https://docs.pytest.org/>`__ using pip, or install as an optional dependency::
 
-    pip install -e ".[test]"
+    pip install -e .[test]
 
 and then run::
 
@@ -54,6 +54,8 @@ lint
 
 For applying quality control to the code::
 
+    pip install -e .[lint]
+
 * ruff (0.7.3 or later)
 * mypy (1.0.0 or later)
 * coverage
@@ -66,7 +68,7 @@ docs
 
 For building documentation::
 
-    pip install -e ".[docs]"
+    pip install -e .[docs]
 
 * sphinx
 * sphinx_rtd_theme