diff --git a/Lesson15/Lesson15.odp b/Lesson15/Lesson15.odp index 1415ea3..6f3c75f 100644 Binary files a/Lesson15/Lesson15.odp and b/Lesson15/Lesson15.odp differ diff --git a/Lesson15/Lesson15.pdf b/Lesson15/Lesson15.pdf index 4bd8edb..34017a7 100644 Binary files a/Lesson15/Lesson15.pdf and b/Lesson15/Lesson15.pdf differ