diff --git a/standards/cpp.md b/standards/cpp.md
index 4bca215..fe3dd31 100755
--- a/standards/cpp.md
+++ b/standards/cpp.md
@@ -34,6 +34,7 @@ When writing code keep the following topics in mind:
 * Threading
 * Cost of abstractions
 * atomics vs locking (mutex)
+* Cache line sharing between CPU cores
 
 ## Namespace