diff --git a/docs/reference/ptn_chained_model.md b/docs/reference/ptn_chained_model.md
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+# Ptn Chained Model
+Constructs a chained PyTorch model.
+
+### Fields:  
+- model_a: First model in the chain.
+- model_b: Second model in the chain.
+- closure: Optional differentiable function to be called at the end of forward.
+
+## Input
+| Name | Data type |
+|---|---|
+| model_a | Ptmodel |
+| model_b | Ptmodel |
+| closure | Ptcallable |
+
+## Output
+| Data type |
+|---|
+| Ptmodel |
+
+<HR>
+Category: PyTorch wrapper - Training
+
+ComfyUI Pt Wrapper Node Reference. © 2025 Hide Inada (HowToSD.com). All rights reserved.
diff --git a/docs/reference/pto_simple.md b/docs/reference/pto_simple.md
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+# Instantiates the most basic optimizer to update W using the below formula
+$$
+W -= lr * G
+$$
+
+## Input
+| Name | Data type |
+|---|---|
+| model | Ptmodel |
+| learning_rate | Float |
+
+## Output
+| Data type |
+|---|
+| Ptoptimizer |
+
+<HR>
+Category: PyTorch wrapper - Training
+
+ComfyUI Pt Wrapper Node Reference. © 2025 Hide Inada (HowToSD.com). All rights reserved.