1 files changed, 8 insertions, 8 deletions
diff --git a/stdlib/source/library/lux/data/format/binary.lux b/stdlib/source/library/lux/data/format/binary.lux
index 290996b4e..b64b061f3 100644
--- a/stdlib/source/library/lux/data/format/binary.lux
+++ b/stdlib/source/library/lux/data/format/binary.lux
@@ -61,15 +61,15 @@
   (-> Specification Binary)
   (|> size /.empty [0] mutation product.right))
 
-(implementation: .public monoid
+(def: .public monoid
   (Monoid Specification)
-  
-  (def: identity
-    ..no_op)
-  
-  (def: (composite [sizeL mutL] [sizeR mutR])
-    [(n#+ sizeL sizeR)
-     (|>> mutL mutR)]))
+  (implementation
+   (def: identity
+     ..no_op)
+   
+   (def: (composite [sizeL mutL] [sizeR mutR])
+     [(n#+ sizeL sizeR)
+      (|>> mutL mutR)])))
 
 (type: .public (Writer a)
   (-> a Specification))