Merge pull request #438 from tomneep/sphinx-typo

Fix Sphinx typos and typo in 21-automatically-testing-software

Author: steve-crouch

episodes/15-coding-conventions.md

@@ -608,7 +608,7 @@ or using triple quotes as a way to 'quickly' comment out an entire block of code
 is considered bad practice.
 
 In our example case, we used the
-[Sphynx/ReadTheDocs docstring style](https://sphinx-rtd-tutorial.readthedocs.io/en/latest/docstrings.html)
+[Sphinx/ReadTheDocs docstring style](https://sphinx-rtd-tutorial.readthedocs.io/en/latest/docstrings.html)
 formatting for the `param`, `raises` and `returns` - other docstring formats exist as well.
 
 :::::::::::::::::::::::::::::::::::::::::  callout

episodes/21-automatically-testing-software.md

@@ -90,7 +90,7 @@ There are three main types of automated tests:
   for example after making changes your code to add new functionality or fix a bug.
 
 For the purposes of this course, we will focus on unit tests.
-But the principles and practices we wll talk about can be built on
+But the principles and practices we will talk about can be built on
 and applied to the other types of tests too.
 
 ## Set Up a New Feature Branch for Writing Tests

slides/section_1_setting_up_environment.md

@@ -547,7 +547,7 @@ Start from this section heading and go to the end of the page.
   - A lot of these checks for formatting can now be done automatically with your IDE or linters, so do not spend too long absorbing them. It is good to be aware why rules are being applied, but the details of implementation are less important.
   - poll/status check at the end
 - Some comments after the exercises
-  - There are many different docstring formats, and I tend to not like the Sphynx default very much. Google or Numpy style docstrings much more readable.
+  - There are many different docstring formats, and I tend to not like the Sphinx default very much. Google or Numpy style docstrings much more readable.
   - For the exercise to improve the docstrings, no mention is made of the fact that the module docstring should include a list of the functions in the module. This is another valid improvement. (Advance to next slide to see this)
 <!-- #endregion -->