diff --git a/Code-contribution-rules.md b/Code-contribution-rules.md
index 47e112a..966d1d9 100644
--- a/Code-contribution-rules.md
+++ b/Code-contribution-rules.md
@@ -27,7 +27,7 @@ It's important for everyone, be it contributors or reviewers, to have a clear co
 * `ClassNameExample` (CamelCase)
 * `objectNameExample` (camelCase)
 * `func_arg_ex` (snake_case and abbreviation is allowed in small scope functions)
-* Don’t use typedef in C++ code
+* Don’t use “typedef” keyword in C++ code
 
 # which license of code is safe to use   
  - MIT: It's safe to copy MIT license, as long as you keep original copyright info.