diff --git a/src/bqn/nn.bqn b/src/bqn/nn.bqn
index a2ae3c6..51187cc 100644
--- a/src/bqn/nn.bqn
+++ b/src/bqn/nn.bqn
@@ -7,7 +7,7 @@ Minn ← {rt‿ly𝕊dat:
   A‿DA ← ⟨1÷1+⋆∘-, ⊢×1⊸-⟩
   BP ← {fs‿ts‿we𝕊𝕩:
     do ← <(-⟜ts×DA)⊑⊑hx‿tx ← ¯1(↑⋈↓)𝕩
-    (fs<⊸∾tx)×⌜˜¨do∾˜do⊸({d𝕊w‿z: z DA⊸×d M˜⍉w}`)⌾⌽tx⋈¨˜1↓we
+    (fs<⊸∾tx)×⌜˜¨do∾˜{d𝕊w‿z: z DA⊸×d M˜⍉w}`˜⟜do⌾⌽tx⋈¨˜1↓we
   }
   FP ← {z𝕊bi‿we: A bi+we M z}`⟜(⋈¨´)
   nn ← dat{𝕨𝕊bi‿we: fs‿ts ← 𝕨(↑⋈↓)˜⊑ly
diff --git a/src/index.org b/src/index.org
index f03b06c..db59bfa 100644
--- a/src/index.org
+++ b/src/index.org
@@ -36,5 +36,6 @@
 5. [[./si.org][Scheming a mise-en-abîme in BQN]]
 6. [[./aoc24.org][Coding in Advent]]
 7. [[./nn.org][The miniaturist's neural network]]
+8. [[./nm.org][A numerical methods bonsai display]]
 
 #+HTML: </div>
diff --git a/src/nn.org b/src/nn.org
index c203b71..6182e44 100644
--- a/src/nn.org
+++ b/src/nn.org
@@ -64,7 +64,7 @@ variational freedom with the weights.
     A‿DA ← ⟨1÷1+⋆∘-, ⊢×1⊸-⟩
     BP ← {fs‿ts‿we𝕊𝕩:
       do ← <(-⟜ts×DA)⊑⊑hx‿tx ← ¯1(↑⋈↓)𝕩
-      (fs<⊸∾tx)×⌜˜¨do∾˜do⊸({d𝕊w‿z: z DA⊸×d M˜⍉w}`)⌾⌽tx⋈¨˜1↓we
+      (fs<⊸∾tx)×⌜˜¨do∾˜{d𝕊w‿z: z DA⊸×d M˜⍉w}`˜⟜do⌾⌽tx⋈¨˜1↓we
     }
     FP ← {z𝕊bi‿we: A bi+we M z}`⟜(⋈¨´)
     nn ← dat{𝕨𝕊bi‿we: fs‿ts ← 𝕨(↑⋈↓)˜⊑ly
@@ -146,7 +146,7 @@ are system dependent and susceptible to change. One has to experiment with them
 #+end_src
 
 #+RESULTS:
-: 0.14839151901691489
+: 0.14040810449126903
 
 Let’s see if we’ve gotten the numbers right after learning. But then again, what is a number that a man may know it[fn:6]...