Typos in Lessons 1 & 2

2 lat temu · 89a0caa6cf
--- a/Lesson1/Lesson1.odp
+++ b/Lesson1/Lesson1.odp
--- a/Lesson1/Lesson1.pdf
+++ b/Lesson1/Lesson1.pdf
--- a/Lesson2/Lesson2.odp
+++ b/Lesson2/Lesson2.odp
--- a/Lesson2/Lesson2.pdf
+++ b/Lesson2/Lesson2.pdf