diff --git a/include/openmc/tallies/tally.h b/include/openmc/tallies/tally.h
index bc7ecaa922..3cead91dc7 100644
--- a/include/openmc/tallies/tally.h
+++ b/include/openmc/tallies/tally.h
@@ -50,7 +50,8 @@ public:
   //! returns vector of indices corresponding to the tally this is called on
   const vector<int32_t>& filters() const { return filters_; } 
 
-  int32_t filters(int i) const { return filters_[i]; } // i corresponds to the index of the filter for this tally
+  //! \brief Returns the tally filter at index i
+  int32_t filters(int i) const { return filters_[i]; } 
 
   void set_filters(gsl::span<Filter*> filters);