diff --git a/vtkm/exec/internal/ReduceByKeyLookup.h b/vtkm/exec/internal/ReduceByKeyLookup.h
index 75c3ce5ae..7e1d06f75 100644
--- a/vtkm/exec/internal/ReduceByKeyLookup.h
+++ b/vtkm/exec/internal/ReduceByKeyLookup.h
@@ -31,7 +31,7 @@ namespace vtkm {
 namespace exec {
 namespace internal {
 
-/// \breif Execution object holding lookup info for reduce by key.
+/// \brief Execution object holding lookup info for reduce by key.
 ///
 /// A WorkletReduceByKey needs several arrays to map the current output object
 /// to the respective key and group of values. This execution object holds that