filter_record_modifier: extend error message
@@ -65,7 +65,8 @@ static int configure(struct record_modifier_ctx *ctx,
mod_record = flb_malloc(sizeof(struct modifier_record));
split = flb_utils_split(prop->val, ' ', 1);
if (mk_list_size(split) != 2) {
- flb_error("[%s] invalid record parameters",PLUGIN_NAME);
+ flb_error("[%s] invalid record parameters, expects 'KEY VALUE'",
+ PLUGIN_NAME);
flb_free(mod_record);
flb_utils_split_free(split);
continue;
