diff --git a/src/main/c/sudoku.c b/src/main/c/sudoku.c
index 969ecdd..81226e5 100644
--- a/src/main/c/sudoku.c
+++ b/src/main/c/sudoku.c
@@ -25,7 +25,7 @@ void initializeGrid(int grid[SIZE][SIZE]);
 void create_playing_field(int grid[SIZE][SIZE], int difficulty, int level);
 void Player_actions_for_playing(int grid[SIZE][SIZE]);
 void giving_hints_to_player(int grid[SIZE][SIZE]);
-void inputFunction(int grid[SIZE][SIZE]);
+void write_userinput_into_Sudoku(int grid[SIZE][SIZE]);
 void printGrid(int grid[SIZE][SIZE]);
 void doneFunction(int grid[SIZE][SIZE]);
 
@@ -320,7 +320,7 @@ void Player_actions_for_playing(int grid[SIZE][SIZE]) {
     while (1) {
         printf("\nTurn function - Choose an action:\n");
         printf("1. Hints\n");
-        printf("2. Input function\n");
+        printf("2. Insert Number into Game\n");
         printf("3. Print Sudoku grid\n");
         printf("4. Done function\n");
         printf("5. Select level\n");
@@ -346,7 +346,7 @@ void Player_actions_for_playing(int grid[SIZE][SIZE]) {
                 giving_hints_to_player(grid);
                 break;
             case 2:
-                inputFunction(grid);
+                write_userinput_into_Sudoku(grid);
                 break;
             case 3:
                 printGrid(grid);
@@ -456,7 +456,7 @@ void giving_hints_to_player(int grid[SIZE][SIZE]) {
     }
 }
 
-void inputFunction(int grid[SIZE][SIZE]) {
+void write_userinput_into_Sudoku(int grid[SIZE][SIZE]) {
     printf("\nInput function - Choose an action:\n");
     printf("1. Insert value in an empty field\n");
     printf("2. Clear an already filled field\n");