diff --git a/CODESTYLE.md b/CODESTYLE.md
index 2641febfa..2b6333258 100644
--- a/CODESTYLE.md
+++ b/CODESTYLE.md
@@ -4,14 +4,14 @@ Code style is enforced using Visual Studio Code extensions.
 
 ## .hx
 Formatting is handled by the `nadako.vshaxe` extension, which includes Haxe Formatter.
-Haxe Formatter automatically resolves issues such as intentation style and line breaks, and can be configured in `hxformat.json`.
+Haxe Formatter automatically resolves issues such as indentation style and line breaks, and can be configured in `hxformat.json`.
 
 Code Quality is handled by the `vshaxe.haxe-checkstyle` extension, which includes Haxe Checkstyle.
 
 ### Haxe Checkstyle Notes
-* Checks can be escalated to display as different serverities in the Problems window.
+* Checks can be escalated to display as different severities in the Problems window.
   * Checks can be disabled by setting the severity to `IGNORE`.
-* `IndentationCharacter` checks what is used to indent, `Indentation` checks how deep the intentation is.
+* `IndentationCharacter` checks what is used to indent, `Indentation` checks how deep the indentation is.
 * `CommentedOutCode` check is in place because old code should be retrieved via Git history.
 * TODO items: Enable these one-by-one and fix them to improve the overall code quality.
   - Reconfigure `MethodLength`