diff --git a/src/Raetsel_I_Zug_schachmat/Raetsel_I_.c b/src/Raetsel_I_Zug_schachmat/Raetsel_I_.c
index a5e395e..d927864 100644
--- a/src/Raetsel_I_Zug_schachmat/Raetsel_I_.c
+++ b/src/Raetsel_I_Zug_schachmat/Raetsel_I_.c
@@ -47,7 +47,7 @@ char** Puzzlebrett_erstellen() {
     return Brett;
 }
 
-void print_Puzzle(char** Brett) {
+void print_Puzzlebrett(char** Brett) {
     int counter = 1;
     printf(" -  1  2  3  4  5  6  7  8 \n");
     for (int i = 0; i < 8; i++) {
diff --git a/src/Raetsel_I_Zug_schachmat/Raetsel_I_.h b/src/Raetsel_I_Zug_schachmat/Raetsel_I_.h
new file mode 100644
index 0000000..6a87b12
--- /dev/null
+++ b/src/Raetsel_I_Zug_schachmat/Raetsel_I_.h
@@ -0,0 +1,9 @@
+#ifndef PUZZLE_H
+#define PUZZLE_H
+
+#include <stdbool.h>
+
+char** Puzzlebrett_erstellen();
+void print_Puzzlebrett(char** Brett);
+
+#endif // PUZZLE_H
\ No newline at end of file