Rename gapSize to smallGap

Main.go

@@ -13,8 +13,8 @@ import (
 
 const (
 	dayWidth    = 2
-	gapWidth    = 1
-	monthWidth  = 7*dayWidth + 6*gapWidth
+	smallGap    = 1
+	monthWidth  = 7*dayWidth + 6*smallGap
 	monthHeight = (31+6+(7-1))/7 + 2
 )
 
@@ -88,7 +88,7 @@ func drawMonth(m time.Month, x, y int) {
 	centeredText(months[m], x, y, monthWidth, wall, defStyle)
 
 	for i := 1; i <= 7; i++ {
-		centeredText(weekdays[i % 7], x + (i - 1) * (dayWidth + gapWidth), y + 1, dayWidth, wall, defStyle)
+		centeredText(weekdays[i % 7], x + (i - 1) * (dayWidth + smallGap), y + 1, dayWidth, wall, defStyle)
 	}
 
 	dayNum := date(selTime.Year(), m + 1, 0).Day()
@@ -100,7 +100,7 @@ func drawMonth(m time.Month, x, y int) {
 		}
 		centeredText(
 			strconv.Itoa(i),
-			x + ((weekday - 1 + 7) % 7) * (dayWidth + gapWidth),
+			x + ((weekday - 1 + 7) % 7) * (dayWidth + smallGap),
 			y + 2,
 			2,
 			wall,