diff --git a/src/analysis/occurrences.ml b/src/analysis/occurrences.ml
index cc2e7d257a..5bdb113d54 100644
--- a/src/analysis/occurrences.ml
+++ b/src/analysis/occurrences.ml
@@ -144,6 +144,7 @@ let locs_of ~config ~scope ~env ~local_defs ~pos ~node:_ path =
           let fname = loc.Location.loc_start.Lexing.pos_fname in
           if String.equal fname current_buffer_path then
             (* ignore locs coming from the external index for the buffer *)
+            (* maybe filter before *)
             None
           else if Filename.is_relative fname then begin
             match Locate.find_source ~config loc fname with