fix multilabel in exact_match (#1474)

* Update exact_match.py
* Apply suggestions from code review

---------

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Co-authored-by: Jirka <jirka.borovec@seznam.cz>
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Co-authored-by: Jirka Borovec <6035284+Borda@users.noreply.github.com>
Co-authored-by: Nicki Skafte Detlefsen <skaftenicki@gmail.com>
(cherry picked from commit 91ac6fe)

CHANGELOG.md

@@ -17,6 +17,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fixed type hints in methods belonging to `MetricTracker` wrapper ([#1472](https://github.com/Lightning-AI/metrics/pull/1472))
 
 
+- Fixed `multilabel` in `ExactMatch` ([#1474](https://github.com/Lightning-AI/metrics/pull/1474))
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+
+
 ## [0.11.1] - 2023-01-30
 
 ### Fixed

src/torchmetrics/functional/classification/exact_match.py

@@ -233,7 +233,7 @@ def exact_match(
     if task == "multiclass":
         assert num_classes is not None
         return multiclass_exact_match(preds, target, num_classes, multidim_average, ignore_index, validate_args)
-    if task == "multilalbe":
+    if task == "multilabel":
         assert num_labels is not None
         return multilabel_exact_match(
             preds, target, num_labels, threshold, multidim_average, ignore_index, validate_args