diff --git a/pkg/dedup/iter.go b/pkg/dedup/iter.go
index 34b7ef04847..a84ea54767b 100644
--- a/pkg/dedup/iter.go
+++ b/pkg/dedup/iter.go
@@ -405,7 +405,7 @@ func (it *dedupSeriesIterator) Next() chunkenc.ValueType {
 		if it.useA != lastUseA && isFloatVal {
 			// We switched replicas.
 			// Ensure values are correct bases on value before At.
-			// TODO(rabenhorst): Investiagte if we also need to implement adjusting histograms here.
+			// TODO(rabenhorst): Investigate if we also need to implement adjusting histograms here.
 			it.adjustAtValue(lastFloatVal)
 		}
 	}()