diff --git a/Lab6_Task1.c b/Lab6_Task1.c
index e688f68..891ce24 100644
--- a/Lab6_Task1.c
+++ b/Lab6_Task1.c
@@ -14,7 +14,7 @@ void main(void)
     SYSCTL_RCGCPWM_R = 0x3; //
 
     GPIOF_config();
-    GPIOF_Interrupt_config();
+    GPIOF_Int_Config();
     GPIO_PORTF_AFSEL_R |= 0x02;
     GPIO_PORTF_PCTL_R |= 0x50;
 
@@ -44,20 +44,20 @@ void GPIOF_config()
 
 void GPIOF_Int_Config()
     {
-    GPIO_PORTF_IM_R &= ~MASK_BITS;
-    GPIO_PORTF_IS_R &= ~MASK_BITS;
-    GPIO_PORTF_IEV_R &= ~MASK_BITS;
-    GPIO_PORTF_IBE_R &= ~MASK_BITS;
+    GPIO_PORTF_IM_R &= ~mask_bits;
+    GPIO_PORTF_IS_R &= ~mask_bits;
+    GPIO_PORTF_IEV_R &= ~mask_bits;
+    GPIO_PORTF_IBE_R &= ~mask_bits;
     NVIC_PRI7_R = (NVIC_PRI7_R & 0xFF1FFFFF) | (2 << 21);
     NVIC_EN0_R |= (1 << 30);
-    GPIO_PORTF_ICR_R = MASK_BITS;
-    GPIO_PORTF_IM_R |= MASK_BITS;
+    GPIO_PORTF_ICR_R = mask_bits;
+    GPIO_PORTF_IM_R |= mask_bits;
 
     }
 
 void GPIOF_INT_Handler(void)
     {
-        GPIO_PORTF_IM_R &= ~MASK_BITS;
+        GPIO_PORTF_IM_R &= ~mask_bits;
         int i;
         if(GPIO_PORTF_RIS_R & 0x01)
             {
@@ -83,8 +83,8 @@ void GPIOF_INT_Handler(void)
                     }
                 }
             }
-        GPIO_PORTF_ICR_R = MASK_BITS;
-        GPIO_PORTF_IM_R |= MASK_BITS;
+        GPIO_PORTF_ICR_R = mask_bits;
+        GPIO_PORTF_IM_R |= mask_bits;
 
     }