Update metrics.md

metrics.md

@@ -1,6 +1,6 @@
 # Model metrics
 
-Model testing was performed in the held-out [test set of the dataset](https://huggingface.co/datasets/fhofmann/VertebralBodiesCT-Labels)
+Model testing was performed in the held-out [test set of the dataset](https://huggingface.co/datasets/fhofmann/VertebralBodiesCT-Labels).
 The Dice similarity index (Dice) and the normalized surface distance (NSD) were calculated for each label individually, and 95% confidence were computed using bootstrap resampling with 1000 iterations.
 
 | Class ID | Class Description | Dice | NSD |