diff --git a/source/machine-learning/pytorch.md b/source/machine-learning/pytorch.md
index df4333a..2c65971 100644
--- a/source/machine-learning/pytorch.md
+++ b/source/machine-learning/pytorch.md
@@ -4,5 +4,5 @@
 
 - [torch.Tensor.item()](https://pytorch.org/docs/stable/generated/torch.Tensor.item.html)
   - convert tensor to standard Python number
-  - only works for tensors with one element
+  - only works for tensors with one element - otherwise an exception is raised
   - implicitly moves the value to the CPU