improve consistency of whitespace

Author: TimidRobot

README.md

@@ -38,9 +38,12 @@ See [`CONTRIBUTING.md`][org-contrib].
 
 [org-contrib]: https://github.com/creativecommons/.github/blob/main/CONTRIBUTING.md
 
-### Project Structure
-Please note that in the directory tree below, all instances of `fetch`, `process`, and `report` are referring to
-the three phases of data gathering, processing, and report generation.
+
+### Project structure
+
+Please note that in the directory tree below, all instances of `fetch`,
+`process`, and `report` are referring to the three phases of data gathering,
+processing, and report generation.
 
 ```
 Quantifying/
@@ -50,31 +53,31 @@ Quantifying/
 │   │   ├── process.yml
 │   │   ├── report.yml
 │   │   └── static_analysis.yml
-├── data/   # Data storages from script runs
+├── data/  # Data generated by script runs
 │   ├── 20XXQX/
 │   │   ├── 1-fetch/
 │   │   ├── 2-process/
 │   │   ├── 3-report/
 │   │   │   └── README.md  # All generated reports are displayed in the README
 │   └── ...
 ├── dev/
-├── pre-automation/ # All Quantifying work prior to adding automation system
-├── scripts/   # Runs scripts for all phases
+├── pre-automation/  # All Quantifying work prior to adding automation system
+├── scripts/  # Run scripts for all phases
 │   ├── 1-fetch/
 │   ├── 2-process/
 │   ├── 3-report/
 │   └── shared.py
 ├── .cc-metadata.yml
-├── .flake8
+├── .flake8  # Python tool configuration
 ├── .gitignore
-├── .pre-commit-config.yaml
+├── .pre-commit-config.yaml  # Static analysis configuration
 ├── LICENSE
-├── Pipfile # Specifies the project's dependencies and Python version
+├── Pipfile  # Specifies the project's dependencies and Python version
 ├── Pipfile.lock
 ├── README.md
 ├── env.example
 ├── history.md
-├── pyproject.toml
+├── pyproject.toml  # Python tools configuration
 └── sources.md
 ```