diff --git a/ebtables.8 b/ebtables.8
index 44c12e3..a4c0461 100644
--- a/ebtables.8
+++ b/ebtables.8
@@ -87,6 +87,9 @@
 .BR "" "The " quit " command lets ebtablesd finish gracefully."
 All commands, options and extensions that ebtables uses can be used with ebtablesu, except for
 .BR --init-table ", " --atomic-file ", " --atomic-commit ", " --atomic-init ", " --atomic-save " and " -h .
+When using ebtablesd, don't use spaces in string arguments
+(like the
+.BR --log-prefix " argument)."
 .br
 Example usage:
 .br
@@ -117,7 +120,6 @@
 # echo "ebtablesu commit filter" >> $PIPE
 .br
 # echo "ebtablesu quit" >> $PIPE
-
 .SS CHAINS
 There are three ebtables tables with built-in chains in the
 Linux kernel. These tables are used to divide functionality into
@@ -268,10 +270,12 @@
 with a '+', the counter values are added to the respective current counter values.
 If the specified counters start with a '-', the counter values are decreased from the respective
 current counter values. No bounds checking is done. If the counters don't start with '+' or '-',
-the current counters are changed to the specified counters.
+the current counters are changed to the specified counters. In daemon mode, using '+' or '-' is not
+allowed (due to technical reasons).
 .TP
 .B "-I, --insert"
-Insert the specified rule into the selected chain at the specified rule number.
+Insert the specified rule into the selected chain at the specified rule number. If the
+rule number is not specified, the rule is added at the head of the chain.
 If the current number of rules equals
 .IR N ,
 then the specified number can be
diff --git a/ebtables.c b/ebtables.c
index 2b0807f..08a9e57 100644
--- a/ebtables.c
+++ b/ebtables.c
@@ -712,11 +712,13 @@
 					return -1;
 			} else if (c == 'I') {
 				if (optind >= argc || (argv[optind][0] == '-' && (argv[optind][1] < '0' || argv[optind][1] > '9')))
-					ebt_print_error2("No rulenr for -I specified");
-				rule_nr = strtol(argv[optind], &buffer, 10);
-				if (*buffer != '\0')
-					ebt_print_error2("Problem with the specified rule number '%s'", argv[optind]);
-				optind++;
+					rule_nr = 1;
+				else {
+					rule_nr = strtol(argv[optind], &buffer, 10);
+					if (*buffer != '\0')
+						ebt_print_error2("Problem with the specified rule number '%s'", argv[optind]);
+					optind++;
+				}
 			} else if (c == 'P') {
 handle_P:
 				if (optind >= argc)