diff --git a/scheduler.ino b/scheduler.ino
index b9d4cdc..49bf51b 100644
--- a/scheduler.ino
+++ b/scheduler.ino
@@ -11,7 +11,7 @@ void initialiseSchedulers()
   {
    // Much help in this from http://arduinomega.blogspot.com.au/2011/05/timer2-and-overflow-interrupt-lets-get.html
     //Fuel Schedules, which uses timer 3
-    TCCR3B = 0x00;          //Disbale Timer3 while we set it up
+    TCCR3B = 0x00;          //Disable Timer3 while we set it up
     TCNT3  = 0;             //Reset Timer Count
     TIFR3  = 0x00;          //Timer3 INT Flag Reg: Clear Timer Overflow Flag
     TCCR3A = 0x00;          //Timer3 Control Reg A: Wave Gen Mode normal
@@ -22,7 +22,7 @@ void initialiseSchedulers()
     fuelSchedule3.Status = OFF;
 
     //Ignition Schedules, which uses timer 5
-    TCCR5B = 0x00;          //Disbale Timer3 while we set it up
+    TCCR5B = 0x00;          //Disable Timer3 while we set it up
     TCNT5  = 0;             //Reset Timer Count
     TIFR5  = 0x00;          //Timer5 INT Flag Reg: Clear Timer Overflow Flag
     TCCR5A = 0x00;          //Timer5 Control Reg A: Wave Gen Mode normal
@@ -33,7 +33,7 @@ void initialiseSchedulers()
     ignitionSchedule3.Status = OFF;
     
     //The remaining Schedules (Schedules 4 for fuel and ignition) use Timer4
-    TCCR4B = 0x00;          //Disbale Timer4 while we set it up
+    TCCR4B = 0x00;          //Disable Timer4 while we set it up
     TCNT4  = 0;             //Reset Timer Count
     TIFR4  = 0x00;          //Timer4 INT Flag Reg: Clear Timer Overflow Flag
     TCCR4A = 0x00;          //Timer4 Control Reg A: Wave Gen Mode normal
diff --git a/speeduino.ino b/speeduino.ino
index a32c081..c6b6df0 100644
--- a/speeduino.ino
+++ b/speeduino.ino
@@ -718,7 +718,7 @@ void loop()
       if(toothHistoryIndex > TOOTH_LOG_SIZE) { BIT_SET(currentStatus.squirt, BIT_SQUIRT_TOOTHLOG1READY); }
     }
     
-    //The IAT and CLT readings can be done less frequently. This still runs about 4 times per secondl
+    //The IAT and CLT readings can be done less frequently. This still runs about 4 times per second
     if ((mainLoopCount & 255) == 1)
     {