Fix typo in comment

Reported-by: Oleg Bartunov

diff --git a/src/backend/utils/adt/tsrank.c b/src/backend/utils/adt/tsrank.c
index f4b0200f1ed4f85d68dff4dc02c5bd727139d5cc..07251dd577c8f76ab830a8a8d93d0bf19cb457ec 100644 (file)
--- a/src/backend/utils/adt/tsrank.c
+++ b/src/backend/utils/adt/tsrank.c
@@ -336,7 +336,7 @@ calc_rank_or(const float *w, TSVector t, TSQuery q)
                }
            }
 /*
-           limit (sum(i/i^2),i->inf) = pi^2/6
+           limit (sum(1/i^2),i=1,inf) = pi^2/6
            resj = sum(wi/i^2),i=1,noccurence,
            wi - should be sorted desc,
            don't sort for now, just choose maximum weight. This should be corrected