diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 78cce40e3..7fd671d5d 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -54,7 +54,8 @@ the coding style is described here:
 - in float/double operations, always use decimal and `f` if single-precision.
   - e.g. `1.0f` or `1.0` instead of `1`.
 - prefer `NULL` over `nullptr` or any other proprietary null.
-- don't use `auto` unless needed.
+- only use `auto` if needed.
+- avoid using `goto` unless absolutely required.
 - use `String` for `std::string` (this is typedef'd in ta-utils.h).
 - prefer using operator for String (std::string) comparisons (a=="").
 - if you have to work with C strings, only use safe C string operations: