diff --git a/standards/cpp.md b/standards/cpp.md
index 612200e..4bca215 100755
--- a/standards/cpp.md
+++ b/standards/cpp.md
@@ -33,7 +33,7 @@ When writing code keep the following topics in mind:
   * Signed vs unsigned
 * Threading
 * Cost of abstractions
-* atomics vs locking
+* atomics vs locking (mutex)
 
 ## Namespace