diff --git a/doc/contributing/source/coding-style.rst b/doc/contributing/source/coding-style.rst
index 33bd4c5ce..c530031a3 100644
--- a/doc/contributing/source/coding-style.rst
+++ b/doc/contributing/source/coding-style.rst
@@ -1149,6 +1149,8 @@ Miscellaneous items
 
 - Do not use the C++ ``goto`` statement.
 
+- Do not add the ``enum`` or ``struct`` specifiers when declaring the variable's type.
+
 Clang-tidy rules
 ================