diff --git a/commit-types.md b/commit-types.md
index 057dafbd..e64bf047 100644
--- a/commit-types.md
+++ b/commit-types.md
@@ -1,16 +1,22 @@
-# Commit types
+# Conventional commit types
 
 For [conventional commits](https://www.conventionalcommits.org/en/v1.0.0/),
-Evan uses the following types:
+in addition to the default types
 
 - `fix`: patches a bug
 - `feat`: introduces a new feature to the codebase
+
+Evan uses the following types:
+
+- `build`: build related
 - `ci`: work related to CI
 - `chore`: updating deps, etc.
-- `doc`: documentation changes
+- `docs`: documentation changes
 - `drop`: deleting stuff or removing a feature
-- `edit`: minor changes that aren't big enough to be considered a feature
+- `edit`: minor changes that don't constitute a new feature
+- `perf`: performance improvements
 - `polish`: copy editing or cleanup that doesn't affect functionality
 - `refactor`: major rewriting or restructuring that doesn't fix bugs or affect functionality
+- `revert`: revert commits
 - `style`: code style changes
-- `tests`: unit testing, etc.
+- `test`: unit testing, etc.