Fixed a typo in a comment, and it failing to accept double-brackets.

Author: smangham

episodes/23-continuous-integration-automated-testing.md

@@ -389,7 +389,7 @@ jobs:
         python3 -m pytest --cov=inflammation.models tests/test_models.py
 ```
 
-The `{{ }}` are used
+The double-brackets `{` are used
 as a means to reference configuration values from the matrix.
 This way, every possible permutation of Python versions 3.10 through 3.12
 with the latest versions of Ubuntu, Mac OS and Windows operating systems

learners/software-architecture-extra.md

@@ -110,7 +110,7 @@ For example, the diagram below depicts the use of MVC architecture for the
 [DNA Guide Graphical User Interface application](https://www.software.ac.uk/developing-scientific-applications-using-model-view-controller-approach).
 
 ![](fig/mvc-DNA-guide-GUI.png){alt='MVC example of a DNA Guide Graphical User Interface application' .image-with-shadow width="400px" }
-{% comment %}Image from <https://www.software.ac.uk/developing-scientific-applications-using-model-view-controller-approach{%> endcomment %}
+{% comment %}Image from <https://www.software.ac.uk/developing-scientific-applications-using-model-view-controller-approach>{% endcomment %}
 
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