diff --git a/code-style.md b/code-style.md
index 928c21c..0cd3629 100644
--- a/code-style.md
+++ b/code-style.md
@@ -4,6 +4,6 @@
 * `if/else/for/while` may omit brackets if the body fits on a single line
 * `else/catch/finally` continue the same line as the preceding bracket
 * If a file uses spaces, follow the file's existing indentation or re-indent the whole file in a separate commit
-* Use `foo` rather than `mFoo` for field names
+* Use `foo` rather than `mFoo`, `_foo`, etc for field names
 * Use `foo` rather than `this.foo` unless there's also a local `foo`
 * `CONSTANTS_LIKE_THIS`, `variablesLikeThis`