diff --git a/arvo/hoon.hoon b/arvo/hoon.hoon
index 5dc8f05e36..9dfcde6c86 100644
--- a/arvo/hoon.hoon
+++ b/arvo/hoon.hoon
@@ -4277,7 +4277,7 @@
     %=  ^$
       i  +(i)
       hax  %+  rep  5
-           :~  
+           :~
                (sum a (wac 0 hax))
                (sum b (wac 1 hax))
                (sum c (wac 2 hax))