diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
index 0604a99..f10cd46 100644
--- a/.github/copilot-instructions.md
+++ b/.github/copilot-instructions.md
@@ -10,7 +10,7 @@ applyTo: "**/*.py"
 - Use CamelCase for class names.
 - Follow PEP 8 style guidelines.
 - Include type hints for function parameters and return types.
-- Always write doc strings for all modules, classes, functions, and methods using google docstring style.
+- Always write doc strings for all modules, classes, functions, and methods using google docstring style. Use typing in doc strings.
 - Prefix private class members with underscore (\_).
 - Use ALL_CAPS for constants.
 - Use newest coding style which is supported by the used Python version.