CONTRIBUTING.md

@@ -40,7 +40,7 @@ report a bug or request a feature.
 ### Rules about both bugs and feature requests
 * Stay polite towards the developers and anyone else involved in the discussion.
 * Choose a descriptive title.
-* Try to use proper english and please start the title with a capital letter.
+* Try to use proper English and please start the title with a capital letter.
 * Always check the currently opened issues before creating a new one. Don't report bugs that have already been reported or request features that already have been requested.
 * If you know about Minetest's inner workings, please think about whether the bug / the feature that you are reporting / requesting is actually an issue with Minetest itself, and if it is, head to the [Minetest issue tracker](https://github.com/minetest/minetest/issues) instead.
 * If you need any help regarding creating a Mesehub account or opening an issue, feel free to ask on the Discord / Matrix server or the IRC channel.
@@ -94,7 +94,7 @@ If your code leads to bugs or crashes after being merged, it is your responsibil
 * Each mod which add API functions should store functions inside a global table named like the mod.
 * Public functions should not use self references but rather just access the table directly.
 * Use modern Minetest API
-* Use tabs instead of spaces
+* Use tabs for indentation (rather than spaces)
 * Even if it improves performance, it is discouraged to localize variables at the beggining of files, since if another mod overrides some of the functions / variables you localized, you will still have a reference to the old function.
 
 ### Changes to Gameplay