diff --git a/burn-book/src/building-blocks/tensor.md b/burn-book/src/building-blocks/tensor.md
index 410d531d74..3713ee2571 100644
--- a/burn-book/src/building-blocks/tensor.md
+++ b/burn-book/src/building-blocks/tensor.md
@@ -339,7 +339,7 @@ strategies.
 | Burn API                                         | PyTorch Equivalent                                 |
 | ------------------------------------------------ | -------------------------------------------------- |
 | `activation::gelu(tensor)`                       | `nn.functional.gelu(tensor)`                       |
-| `activation::hard_sigmoid(tensor, alpha, beta)   | `nn.functional.hardsigmoid(tensor)`                |
+| `activation::hard_sigmoid(tensor, alpha, beta)`  | `nn.functional.hardsigmoid(tensor)`                |
 | `activation::leaky_relu(tensor, negative_slope)` | `nn.functional.leaky_relu(tensor, negative_slope)` |
 | `activation::log_sigmoid(tensor)`                | `nn.functional.log_sigmoid(tensor)`                |
 | `activation::log_softmax(tensor, dim)`           | `nn.functional.log_softmax(tensor, dim)`           |