.github: fix typos, grammar, punctuation

Author: ThomasWaldmann

.github/workflows/publish.yml

@@ -8,11 +8,11 @@
 name: Publish Python Package
 
 on:
-  # trigger when publishing a release
+  # Trigger when publishing a release.
   release:
     types: [published]
 
-  # also allow triggering this workflow manually for testing
+  # Also allow triggering this workflow manually for testing.
   workflow_dispatch:
 
 jobs:
@@ -24,7 +24,7 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v3
       with:
-        # just fetching 1 commit is not enough for setuptools-scm, so we fetch all
+        # Fetching a single commit is not enough for setuptools-scm, so we fetch all commits.
         fetch-depth: 0
     - name: Set up Python
       uses: actions/setup-python@v2
@@ -36,7 +36,7 @@ jobs:
     - name: Build package
       run: |
         python setup.py sdist
-        rm dist/*.orig  # clean sdist_upip noise
+        rm dist/*.orig  # Remove sdist_upip noise.
     - name: Publish to Test PyPI
       uses: pypa/gh-action-pypi-publish@release/v1
       with:

.github/workflows/run_tests.yaml

@@ -32,7 +32,7 @@ jobs:
     - name: Build MicroPython
       id: build_micropython
       run: |
-        echo "Building micropython"
+        echo "Building MicroPython"
         git clone --depth 1 https://github.com/micropython/micropython.git
         pushd micropython/mpy-cross
         make
@@ -50,8 +50,8 @@ jobs:
     - name: Fetch binutils-esp32ulp
       id: fetch_binutils
       run: |
-        echo "Fetching URL of pre-built esp32ulp-elf binaries"
-        ## URL to pre-built binaries is published in esp-idf
+        echo "Fetching URL of prebuilt esp32ulp-elf binaries"
+        ## The URL to prebuilt binaries is published in ESP-IDF
         IDFVER=v5.0.1
         curl -s \
           -o tools.json \