diff --git a/second-edition/dictionary.txt b/second-edition/dictionary.txt
index 86dea7dc7..5652f97d4 100644
--- a/second-edition/dictionary.txt
+++ b/second-edition/dictionary.txt
@@ -225,6 +225,7 @@ monomorphized
 MoveMessage
 Mozilla
 mpsc
+multibyte
 multithreaded
 mutex
 mutex's