diff --git a/README.md b/README.md
index 7270a48..68d75db 100644
--- a/README.md
+++ b/README.md
@@ -83,11 +83,12 @@ All functions are controlled by the KY-040 encoder:
 
 |Value|Config Menu Name|Description|
 |:----|:---------------|:----------|
+|`LGHT`|`LGHT`|LCD display brightness|
 |`SPEEDINC1`, `SPEEDINC2`, `SPEEDINC3`|`SPI1`, `SPI2`, `SPI3`|increment of speed values when turning the encoder|
 |`SPEEDSTEP1`, `SPEEDSTEP2`|`SPS1`, `SPS2`|speed increment steps (increment changes at these values)|
 |`FANMIN`|`FMIN`|fan minimum speed (should be a value at which the fan runs safely) (rpm)|
 |`FANMAX`|`FMAX`|maximum speed of the fan (it is important that this is the real maximum value of the fan) (rpm)|
-|`FANINIT`|`FINI`|set fan to hight voltage at boot|
+|`FANINIT`|`FINI`|set fan to hight voltage at boot (3 sec)|
 |`BOFF`|`BOFF`|if set boost off will also turn the normal mode off|
 |`BINC`|`BINC`|boost time increment (min)|
 |`CINC`|`CINC`|catch time increment (min)|
diff --git a/stir.ino b/stir.ino
index b71024b..af6d888 100644
--- a/stir.ino
+++ b/stir.ino
@@ -78,7 +78,7 @@ int ostate[2]={0},otime[2]={0};
 int rnd[2]={0},rnval[2]={0};long seed;                                                          // random speed
 char form[8],out[20];                                                                          // string buffer
 String CF[NP];int *P[NP],Cinc[NP],Cmin[NP],Cmax[NP];                                      // configuration menu
-int clkorg,dtorg;
+int clkorg,dtorg;                                                                          // encoder direction
 
 void setup() { ////////////////////////////////////////////////////////////////////////////////////////// SETUP  
   int i;
@@ -144,7 +144,7 @@ void setup() { /////////////////////////////////////////////////////////////////
   slcd(0,0,5,VERSION);                                                                          // show version
   
   if (FANINIT) {                                                                                  // setup fans
-    digitalWrite(R0,LOW);digitalWrite(R1,LOW);delay(4000);digitalWrite(R0,HIGH);digitalWrite(R1,HIGH);
+    digitalWrite(R0,LOW);digitalWrite(R1,LOW);delay(3000);digitalWrite(R0,HIGH);digitalWrite(R1,HIGH);
   }
 }