diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index bc23aaed4b..32ad34d650 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -25,9 +25,15 @@ This project follows
 
 ## Contribution process
 
+### Code Style and Standards
+
+1. All Python files must be saved with UTF-8 encoding
+2. Line endings should be LF (Unix-style), not CRLF
+3. Avoid creating Python files using command-line tools (especially on Windows)
+
 ### Code reviews
 
 All submissions, including submissions by project members, require review. We
 use GitHub pull requests for this purpose. Consult
 [GitHub Help](https://help.github.com/articles/about-pull-requests/) for more
-information on using pull requests.
\ No newline at end of file
+information on using pull requests.