diff --git a/src/new_col.c b/src/new_col.c
index 81bd309..6176b9b 100644
--- a/src/new_col.c
+++ b/src/new_col.c
@@ -3,17 +3,17 @@ int new_column() {
 	totcol_avail = 0;
 	for (i = 0; i < 8; i++) {
 		for (j = 0; j < 18; j++) {
-			if (grid[0][j][i] == 0) { colcnt[i]++;}		// empty space in each column
+			if (grid[0][j][i] == 0) { colcnt[i]++;}		// count empty spaces in each column
 		}
 	}
 	for (i = 0; i < 8; i++) {
-		if (colcnt[i] > 2) {totcol_avail++;}			// total available columns
+		if (colcnt[i] > 2) {totcol_avail++;}			// count total available columns
 	}
 	if (totcol_avail == 0) {
 		printf("game over\n");} else {				// no more columns available
 			randc = randombytes_uniform(totcol_avail) + 0;	// choose random number from available columns
 			int avl = -1;
-			for (i = 0; randc != avl; i++) {		// translate avail column to actual column
+			for (i = 0; randc != avl; i++) {		// translate random num from avail column to actual column
 				if (colcnt[i] > 2) {avl++;}
 			actual_col = i;					// might need to move this down to next brace
 			}