Descriptions of pg_trgm GUC options have % replaced with %% like it was a printf-like format. But that's not needed since they are just plain strings. This commit fixed that. Backpatch to last supported version since this error present from the beginning.
b6987a885b Fix operator naming in pg_trgm GUC option descriptions
contrib/pg_trgm/trgm_op.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)