conf: improve error log message of previous check

diff --git a/src/knot/conf/base.c b/src/knot/conf/base.c
index b1cd4f9c763b2319d6ad469ae4f12d5865a8dc7c..967317c89279476b4719389cc1aa222098689a26 100644 (file)
--- a/src/knot/conf/base.c
+++ b/src/knot/conf/base.c
@@ -544,8 +544,11 @@ static void log_prev_err(
                }
        }
 
-       CONF_LOG_LINE(args->extra->file_name, args->extra->line,
-                     ", %s '%s' (%s)", args->item->name + 1, buff,
+       CONF_LOG_LINE(args->extra->file_name, args->extra->line - 1,
+                     ", section '%s%s%s%s' (%s)", args->item->name + 1,
+                     (buff[0] != '\0') ? "[" : "",
+                     buff,
+                     (buff[0] != '\0') ? "]" : "",
                      args->err_str != NULL ? args->err_str : knot_strerror(ret));
 }