diff --git a/lib/print.c b/lib/print.c
index ad30eea..30e5a06 100644
--- a/lib/print.c
+++ b/lib/print.c
@@ -2,7 +2,7 @@
  *  @file
  *  @author King Kévin <kingkevin@cuvoodoo.info>
  *  @copyright SPDX-License-Identifier: GPL-3.0-or-later
- *  @date 2017-2019
+ *  @date 2017-2020
  */
 /* standard libraries */
 #include <stdint.h> // standard integer types
@@ -94,7 +94,7 @@ static size_t print_unsigned(char** str, size_t* size, uint64_t u, uint32_t padd
 	uint8_t digits = 0; // to count the number of digits
 	size_t length = 0; // number of characters printed
 	do {
-		number[digits++] = '0'+(u % 10); // store digit
+		number[digits++] = '0' + (u % 10); // store digit
 		u /= 10; // go to next digit
 	} while (u > 0);
 	if (sign) { // print sign
@@ -119,9 +119,9 @@ static size_t print_unsigned(char** str, size_t* size, uint64_t u, uint32_t padd
  **/
 static size_t print_signed(char** str, size_t* size, int64_t d, uint32_t padding, bool sign) {
 	size_t length = 0; // number of characters printed
-	if (d<0) {
+	if (d < 0) {
 		print_printed(&length, print_char(str, size, '-')); // print sign
-		print_printed(&length, print_unsigned(str, size, (uint64_t)-d, padding, false)); // print number (casting because there is one more negative value then positive value)
+		print_printed(&length, print_unsigned(str, size, (uint64_t) - d, padding, false)); // print number (casting because there is one more negative value then positive value)
 	} else {
 		print_printed(&length, print_unsigned(str, size, d, padding, sign)); // print number
 	}