diff --git a/cv5/program.c b/cv5/program.c
index 2afe54a..ed6c9fa 100644
--- a/cv5/program.c
+++ b/cv5/program.c
@@ -45,7 +45,7 @@ int main() {
                 students_capacity = (students_capacity + 1) * 2;
                 student_t *new_students = realloc(students, students_capacity * sizeof(student_t));
                 if (new_students == NULL) {
-                    fprintf(stderr, "Chyba");
+                    fprintf(stderr, "Error: Memory reallocation failed\n");
                     return 1;
                 }
                 students = new_students;