Apply suggestions from code review

Co-authored-by: Ariel Schulz <[email protected]>

Author: ckunki

doc/user_guide/collecting_metrics.rst

@@ -4,8 +4,8 @@ Collecting Metrics
 PTB allows you to collect various metrics on the quality of your project
 regarding Coverage, Security, and Static Code Analysis.
 
-For each metric there is a dedicated nox task, generating one or multiple
-files and based on a a selected external python tool.
+For each metric, there is a dedicated nox task, generating one or multiple
+files and based on a selected external python tool.
 
 +-----------------------------+-----------------------------+--------------+
 | Nox Task                    | Generated Files             | Based on     |
@@ -26,7 +26,7 @@ Python version defined in file ``noxconfig.py``:
     class Config:
         python_versions = ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
-The GitHub workflows of your project can
+The GitHub workflows of your project can:
 
 * Use a build matrix, e.g. using different python versions as shown above
 * Define multiple test sessions, e.g. for distinguishing fast vs. slow or expensive tests.

test/unit/artifacts_test.py

@@ -46,7 +46,7 @@ def test_missing_files(tmp_path, capsys):
 class endswith:
     """
     Assert that the str representation of the argument ends with the
-    specfied suffix.
+    specified suffix.
     """
 
     suffix: str