diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index ec53bebb..5f2f4188 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -3,7 +3,7 @@ Contributing
To get started, sign the Contributor License Agreement.
-1. Fork the repository on GitHub.
+1. Fork the repository on GitHub
2. Clone repository `git clone --recursive https://github.com/YourGithubUsername/platformio-core.git`
3. Run `pip install tox`
4. Go to the root of project where is located `tox.ini` and run `tox -e py37`
@@ -18,4 +18,4 @@ To get started, si
8. Run the tests `make test`
9. Build documentation `tox -e docs` (creates a directory _build under docs where you can find the html)
10. Commit changes to your forked repository
-11. Submit a Pull Request on GitHub.
+11. Submit a Pull Request on GitHub
diff --git a/HISTORY.rst b/HISTORY.rst
index db14504d..84560629 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -297,7 +297,7 @@ Please check `Migration guide from 4.x to 5.0 `__ command (`issue #3522 `_)
- Show ignored project environments only in the verbose mode (`issue #3641 `_)
- Do not escape compiler arguments in VSCode template on Windows
- - Drop support for Python 2 and 3.5.
+ - Drop support for Python 2 and 3.5
.. _release_notes_4:
diff --git a/README.rst b/README.rst
index 54a8279f..061c0142 100644
--- a/README.rst
+++ b/README.rst
@@ -44,7 +44,7 @@ PlatformIO Core
* Cross-platform IDE and Unified Debugger
* Static Code Analyzer and Remote Unit Testing
* Multi-platform and Multi-architecture Build System
-* Firmware File Explorer and Memory Inspection.
+* Firmware File Explorer and Memory Inspection
Get Started
-----------