diff --git a/pkg/arvo/sys/hoon.hoon b/pkg/arvo/sys/hoon.hoon
index 59a4b2d4d..b114ceeb8 100644
--- a/pkg/arvo/sys/hoon.hoon
+++ b/pkg/arvo/sys/hoon.hoon
@@ -13288,10 +13288,15 @@
       %+  knee  [p=*term q=*hoon]  |.  ~+
       %+  cook
         |=  [a=whit b=term c=whit d=hoon]
-        =+  e=(glom a c)
-        ?~  boy.e
-          [b d]
-        [b [%note help+`[u.boy.e] d]]
+        ?~  boy.a  :: no arm docs
+          ?~  boy.c  :: no product docs
+            [b d]
+          ::  product docs, no arm docs
+          [b [%note help+`[u.boy.c] d]]
+        ?~  boy.c  :: arm docs, no product docs
+          [b [%note help+[[%funk b]~ u.boy.a] d]]
+        :: arm docs and product docs
+        [b [%note help+[[%funk b]~ u.boy.a] [%note help+`[u.boy.c] d]]]
       ;~  pose
         ;~  plug
           apex:docs