diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..b18be2e
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,14 @@
+# EditorConfig is awesome: http://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 4
+charset = utf-8
+
+[{!*.md,!*.markdown}]
+trim_trailing_whitespace = true
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 58a6ecf..8034050 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -10,5 +10,8 @@ Please ensure your pull request adheres to the following guidelines:
 * End all descriptions with a full stop/period.
 * Check your spelling and grammar.
 * New categories, or improvements to the existing categorisation are welcome.
+* Category names have to be alphabetically sorted from A-Z.
+* Entry names inside categories have to be alphabetically sorted from A-Z.
+* Please use [EditorConfig](http://editorconfig.org) to ensure consistent line-endings, tabs/spaces, etc. or make sure, that your editor does satisfy the coding styles defined within [.editorconfig](https://github.com/drobakowski/awesome-erlang/blob/master/.editorconfig).
 
 Thank you for your suggestions!