diff --git a/include/own_font.h b/include/own_font.h
index c46d438..3d56572 100644
--- a/include/own_font.h
+++ b/include/own_font.h
@@ -1,66 +1,20 @@
-#ifndef OWNFONT_H
-#define OWNFONT_H
+#ifndef OWN_FONT_H
+#define OWN_FONT_H
 
-uint8_t numbers_font[10][5] = { {0b00000111,
-                                 0b00000101,
-                                 0b00000101,
-                                 0b00000101,
-                                 0b00000111},
-                                {0b00000001,
-                                 0b00000001,
-                                 0b00000001,
-                                 0b00000001,
-                                 0b00000001},
-                                {0b00000111,
-                                 0b00000001,
-                                 0b00000111,
-                                 0b00000100,
-                                 0b00000111},
-                                {0b00000111,
-                                 0b00000001,
-                                 0b00000111,
-                                 0b00000001,
-                                 0b00000111},
-                                {0b00000101,
-                                 0b00000101,
-                                 0b00000111,
-                                 0b00000001,
-                                 0b00000001},
-                                {0b00000111,
-                                 0b00000100,
-                                 0b00000111,
-                                 0b00000001,
-                                 0b00000111},
-                                {0b00000111,
-                                 0b00000100,
-                                 0b00000111,
-                                 0b00000101,
-                                 0b00000111},
-                                {0b00000111,
-                                 0b00000001,
-                                 0b00000001,
-                                 0b00000001,
-                                 0b00000001},
-                                {0b00000111,
-                                 0b00000101,
-                                 0b00000111,
-                                 0b00000101,
-                                 0b00000111},
-                                {0b00000111,
-                                 0b00000101,
-                                 0b00000111,
-                                 0b00000001,
-                                 0b00000111}};
+#include <Arduino.h>
 
-uint8_t chars_font[2][5] = {    {0b00000010,
-                                 0b00000010,
-                                 0b00000010,
-                                 0b00000010,
-                                 0b00000010},
-                                {0b00000111,
-                                 0b00000101,
-                                 0b00000111,
-                                 0b00000100,
-                                 0b00000100}};
+uint8_t numbers_font[10][5] = {{0b00000111, 0b00000101, 0b00000101, 0b00000101, 0b00000111},
+                               {0b00000001, 0b00000001, 0b00000001, 0b00000001, 0b00000001},
+                               {0b00000111, 0b00000001, 0b00000111, 0b00000100, 0b00000111},
+                               {0b00000111, 0b00000001, 0b00000111, 0b00000001, 0b00000111},
+                               {0b00000101, 0b00000101, 0b00000111, 0b00000001, 0b00000001},
+                               {0b00000111, 0b00000100, 0b00000111, 0b00000001, 0b00000111},
+                               {0b00000111, 0b00000100, 0b00000111, 0b00000101, 0b00000111},
+                               {0b00000111, 0b00000001, 0b00000001, 0b00000001, 0b00000001},
+                               {0b00000111, 0b00000101, 0b00000111, 0b00000101, 0b00000111},
+                               {0b00000111, 0b00000101, 0b00000111, 0b00000001, 0b00000111}};
 
-#endif  /* OWNFONT_H */
+uint8_t chars_font[2][5] = {{0b00000010, 0b00000010, 0b00000010, 0b00000010, 0b00000010},
+                            {0b00000111, 0b00000101, 0b00000111, 0b00000100, 0b00000100}};
+
+#endif /* OWN_FONT_H */