diff --git a/mu.md b/mu.md
index 41f5c6ef..00105d85 100644
--- a/mu.md
+++ b/mu.md
@@ -116,8 +116,8 @@ Some notation for describing statement forms:
 
 ### Moving values around
 
-These instructions work with variables of any 32-bit type except `addr`,
-`byte` and `float`.
+These instructions work with variables of any 32-bit type except `byte` and
+`float`.
 
 ```
   var/reg <- copy var2/reg2