diff --git a/specification.md b/specification.md
index 236bc2a..7aabe28 100644
--- a/specification.md
+++ b/specification.md
@@ -296,6 +296,10 @@ The compiler guarantees the following:
 - Functions do not interact directly with `stdin`, `stdout`, or `stderr`.
 - No function terminates the application on correct usage.
 
+*Note for C++*:
+Do not prefix symbols.
+Put everything in an `mcc` namespace instead.
+
 ### Logging
 
 Logging infrastructure may be present; however, all log output is disabled by default.