diff --git a/include/config.h b/include/config.h
index d286383..a72ba0b 100644
--- a/include/config.h
+++ b/include/config.h
@@ -15,6 +15,6 @@
 #define INT_HALL_PIN 2
 
 #define VALVE_COUNT 12
-#define MAX_VALVE_OPEN 3
+#define MAX_VALVE_OPEN 4
 const uint8_t valvePins[VALVE_COUNT] = {1, 2, 5, 6, 7, 9, 10, 12, 13, 14, 15};
 const char mainTopic[] = "LebennigHuus/Garden/Irrigation/Main";
\ No newline at end of file
diff --git a/todo.md b/todo.md
new file mode 100644
index 0000000..0cb9303
--- /dev/null
+++ b/todo.md
@@ -0,0 +1,2 @@
+Reboot to prevent problems with the overflow from millis() after 49 days
+Show time since the pump is off as is it by the other states
\ No newline at end of file